CEDAR COLLEGE
CANDIDATE
NAME
STUDENT
ID
-
COURSE
-
e.g. A1-ACC-8
9701/12
hemistry Paper 12 (MCQ)
Mocks 2021
Teacher: Ms. Parsa Asif
Additional Material:
Total Time: 1 hr
MCQ Sheet
Data Booklet
Total Marks: 40
READ THESE INSTRUCTIONS FIRST
All iPads and cell phones must be SWITCHED OFF and kept inside schoolbags.
Borrowing stationary is not permitted inside the examination room.
You must count each printed pages of the question paper to ensure no page is missing.
Do not write inside the margin. The margin is for teacher’s comments only.
You will not be permitted to leave the examination room before the end of examination.
Write your name & school ID on all the work you hand in.
Write in dark blue or black pen.
You may use an HB pencil for any diagrams or graphs.
Special Instructions
This document consists of 13 printed pages
Ex
CEDAR COLLEGE EXAMINATIONS
Supplementary Multiple-Choice Answer Sheet
Supplementary Multiple-Choice Answer Sheet
number
CANDIDATECandidate
Candidate number
NAME
Candidate name
Candidate name
Centre number
Centre number
Name of exam
Name of exam
STUDENT
Exam series
ID
Exam series
-
Supervisor
COURSE
-
Supervisor
Exam day – Form 2
e.g. A1-ACC-8
Syllabus code
Chemistry Paper 12 Syllabus
(MCQ) code
Syllabus title
Syllabus title
MOCKS 2021
1 hr
Component
code code
Supplementary
Multiple-Choice
Answer Sheet
Component
Teacher: Ms. Parsa Asif
Candidate number
Candidate name
If the candidate
absent or
withdrawn
shade here
If the is
candidate
is has
absent
or has withdrawn
shade here
Centre number
Name of exam
A
B A C B D C ED
1
E 21
1
Exam series
Supervisor
A
B A C B D C ED
2
E 22
2
Syllabus
A 3 B A C B D C E DSyllabus
E title
3 code
23
A
21
A
22
A23
BA
Component
code
A
4
4 B A C B D C ED
A 5 Bor has
C B D
A withdrawn
C hereE D
If the5candidate is absent
shade
1
6A
BA 6
C
2
7A
BA C
4
8A
B
5
9A
BA 9
C
6
10
A
BA C
A
B
8
11
A
B
9
A
12
B A 12
C
10
13
3
7
A
B
B
E C 26
D
D
E
22 EAD
7 B A C B D C
B
E C 27
D
C
18
A
19
19
A
20
A
20
A24
A25
BA
CB
DC
BA
CB
DC
AE26
AE27
B A 41 CBA
D
BC
B A 42 CBA
E
43
A
E
43
A43
BA
ED
E
44
A44
BA
ED
E
45
A45
BA
C
EDD
EE
46
A46
BA
BC
D
C
EDD
EE
47
A47
BA
B
C
D
E
D
E
E
48
A48
BA
B
E C 29
D
AE29
B A 45 CBA
D
BC
C
EDD
EE
49
A49
BA
D
E
26 EAD
10 B A C B D C
B
E C 30
D
AE30
B A 46 CBA
BC
D
C
EDD
EE
50
A50
BA
BA
CB
DC
C
D
E
D
A31
E
B
B
C
D
E
E
51
A51
BA
D
AE32
B A 49 CBA
D
BC
C
EDD
EE
52
A52
BA
D
AE33
B A 50 CBA
BC
D
C
EDD
EE
53
A53
BA
D
AE34
B A 52 CBA
C
D
B
EDD
E
54
A54
BA
C 35 D
AE35
A55
E
A36
BC
D
B
DC
55
C
B A 53 CBA
A
B A 54 CB
A
55
B A CB
56
A56
BA
BA
57
A57
58
A58
E
59
A59
E
60
A60
C
D
E
27
A
A 11 B A C B D C E D
C
D
E
A
28
B
B
BD A EC B D C
29 EAD
B
C
30 EAD
A 13
BD A EC B D C
B
C
D
E
31
A
A 14
BD A EC B D C EAD
C
32
C
DA E
C
D
AD
38
C B D C
E
A
39
A C B D C ED
20
A
B
B
C
D
E
A
40
B
ED
BD A EC B D C
25 EAD
24
BD A EC B D C
33 EAD
B
C
D
E
A
34
A 16 B A C B D C
ED
B
C
D
E
A
35
A C B D C ED
17
A
B
B
C
D
E
A
36
A
B
C
B A 18
C BD
E
C
D 37 EAD
B
DC
C
B A 15
C
A
18
CB
B
A
15
17
BA
DC
13
17
A
D
E
CB
B
16
C
BA
BA
BA
14
A
15
B
42
A41
A42
A28
E
12
A
23
A
41
E 28
C
D
B
A
E
ED
ED
B
A
16
D
A 8 B A C B D C ED
C
D
E
A
B
14
E 25
BD A EC B D C
EAD
21
A
11
E 24
DC
DC
E
BA
CB
CB
A 19 B
E
C
E 31
C
E C 32
B
E C 33
C
E 34
B
E
B
E
B
B
B
B
B
B
B
Instructions
C
E
C
36
D
D
D
D
E
E
C 37 D
AE37
E
C
D
AE38
E
C
D
E
E
C
38
39
D
C 40 D
Instructions
Instructions
Shade ONE letter only for each question.
Make sure you put your answer in line with the
Shade
ONE letter only
correct question
number.
E
A39
E
AE40
44
47
48
A
51
56
A
A
A
B
B
C
D
B
BC
D
A
B A 57 CBA
A
B A 58 CB
A
59
B A CB
60
C
C
C
C
ED
D
EDD
D
ED
D
C
EDD
EDD
BC C
DD
D
B
DC
A
C
ED
B
C
C
C
E
D
ED
D
Example
C
E
EE
EE
E
E
E
EE
EE
E
BA
BA
BA
BA
Examp
Example
For question 1,
if you think B is the right answer,
fill in your answer sheet like this:
for each question.
Shade Make
ONE sure
letteryou
onlyput
foryour
eachanswer
question.
in line1with Athe B
Make sure you put your
answer
in
line
with
correct question number.the
correct question number.
E
For questio
if For
you question
think B is1,
the r
if you think
Byour
is the
right an
fill
in
answer
sh
D
E
fill in your answer sheet like
1
A1
A
B
B
C
Section A
Which combination gives the correct curve and line?
For each question there are four possible answers, A, B, C, and D. Choose the one you consider to
1 An element higher
X consists of four
isotopes.
presence
of The mass spectrum of X is shown in the diagram.
be correct.
temperature
catalyst
100
11
2
5
2
3
3
2
P
X
NA
2O4 is a poisonous gas. It can be disposed of safely by reaction with sodium hydroxide.
80
B
P
Y
N2O4(g) + 2NaOH(aq) → NaNO3(aq) + NaNO2(aq) + H2O(l)
60
relative
C
Q
X
What is theabundance
minimum volume of 0.5 mol dm–3 NaOH(aq) needed to dispose of 0.02 mol of N2O4?
D
Q%
Y
40
B 12.5 cm3
C 40 cm3
D 80 cm3
A 8 cm3
20
Which factor helps to explain why the first ionisation energies of the Group I elements decrease
A sample
chlorinetocontaining
isotopes of mass numbers 35 and 37 was analysed in a
from
lithium of
to sodium
0potassium to rubidium?
mass-spectrometer.
90
91
92
93
94
A The nuclear charge of the elements increases.
m/e
How many peaks corresponding to Cl 2+ were recorded?
B The outer electron is in an ‘s’ subshell.
What
relative atomic
of X?
2is the
B 3mass
C 4 increases. D 5
CA The
repulsion between
spin-paired electrons
A 91.00
B 91.30
C 91.75
D 92.00
D The shielding effect
of the inner shells
increases.
Gallium nitride, GaN, could revolutionise the design
2 of electric light bulbs because only a small
length used as a filament gives excellent light at low cost.
0.200 mol of a hydrocarbon undergo complete combustion to give 35.2 g of carbon dioxide and
14.4 g of water as the only products.
3+
Section
ion.
Gallium nitride is an ionic compound containing
the GaA
What is
the molecular
formula
of possible
the hydrocarbon?
For each
therearrangement
are four
answers,
B, C, and
D. Choose the one you consider to
Whatquestion
is the electron
of the nitrogen
ionA,
in gallium
nitride?
be correct.
B C2H6
C C4H4
D C4H8
A C2H4
14
A
1s2 2s2
B
1s2 2s2 2p3
Which equation represents the second ionisation energy of an element X?
C
1s2 2s2 2p4
2+
–
X(g)
2 →
2 X 6 (g) + 2e
A
D
1s 2s 2p
X+(g) → X2+(g) + e–
B
–
4 CA radioactive
X(g) + 2eisotope
→ X2–of
(g)thallium,
attack.
–
2–
© UCLES 2011–
D
Tl, is used to assess damage in heart muscles after a heart
[Turn over
9701/11/M/J/11
X (g) + e → X (g)
Which statement about
725
201
81
201
81
4
Tl is correct?
What
are isotope
the
lattice
of solid
iodine and
silicon(IV)
oxide?is low. In such soils,
InA flooded
soils,
likestructures
those used
forofdiamond,
rice
the oxygen
content
This
has
a nucleon
number
120.cultivation,
anaerobic bacteria cause the loss of nitrogen from the soil as shown in the following sequence.
B The number of electrons in one atom of this isotope is 81.
giant molecular
simple molecular
InC which
step
is
the
change
in
oxidation
state) of nitrogen different to the
The number of neutrons in one atom of thisnumber
isotope is(oxidation
201.
A 201diamond,
silicon(IV)
oxide
iodine
changes
in the other
steps?
201
D
82
X is an isotope of
81
Tl.
diamond, iodine
A
B
NO3–iodine
(aq)
C
© UCLESD2009
silicon(IV) oxide
silicon(IV)
oxide
B
C
NO2–(aq)
NO(g)
N2O(g)
diamond, silicon(IV) oxide
9701/11/O/N/09
diamond,
D
N2(g)
iodine
3
In the extraction of aluminium by the electrolysis of molten aluminium oxide, why is cryolite added
to the aluminium oxide?
8 Which equation represents the standard enthalpy change of atomisation of bromine?
© UCLES 2006
9701/01/M/J/06
A to ensure the aluminium is not oxidised
A Br2(l) → 2Br(g)
B to ensure the anode is not oxidised
B
C
Br
(g) →the
2Br(g)
to 2lower
melting point of the aluminium oxide
D
C
1 prevent corrosion of the cathode
to
Br2(l) → Br(g)
2
D
9
1
2
Br2(g) → Br(g)
In an experiment, 50.0 cm3 of a 0.10 mol dm–3 solution of a metallic salt reacted exactly with
25.0 cm3 of 0.10 mol dm–3 aqueous sodium sulphite.
96
C
"
!
!
D
"
!
"
PCl5 dissociates as follows.
PCl5(g) → PCl3(g) + Cl2(g)
4
The extent of dissociation is 13 % at 160 °C and 100 % at 300 °C.
7
The Haber process for the manufacture of ammonia is represented by the following equation.
∆H = –92 kJ mol–1
Which pair of statements about this formation of PCl3 is correct?
N2(g) + 3H2(g)
2NH3(g)
Which statement
is correct
about this reaction when
the temperature
is increased?
shape of
PCl3 molecule
the reaction
is
A ABoth forward pyramidal
and backward rates increase. endothermic
B BThe backwardpyramidal
rate only increases.
C CThe forward rate
only increases.
trigonal
D
endothermic
There is no effect on the backward or forward rate.
D
87
exothermic
trigonal
exothermic
Use of the Data Booklet is relevant to this question.
2.920 g of a Group II metal, X, reacts with an excess of chlorine to form 5.287 g of a compound
with formula XCl2.
What is metal X?
9
A
barium
B
calcium
C
magnesium
D
strontium
Which mass of gas would occupy a volume of 3 dm3 at 25 °C and 1 atmosphere pressure?
[1 mol of gas occupies 24 dm3 at 25 °C and 1 atmosphere pressure.]
A
3.2 g O2 gas
B
5.6 g N2 gas
C
8.0 g SO2 gas
© UCLES 2009
D
9701/11/O/N/09
11.0 g CO2 gas
© UCLES 2010
9701/11/M/J/10
[Turn over
What is the molecular formula of the hydrocarbon?
C2H4
A
B
C2H6
C
C4H4
D
C4H8
28
Use of the Data Booklet is relevant to this 3question.
5
The
theare
variation
of a property of the Group II elements.
Somegraph
bond represents
energy values
listed below.
property
bond
bond energy / kJ mol–1
C–H
410
C–Cl
340
Cl–Cl
244
Br–Br
193
These bond energy values relate to the following four reactions.
P
Br2 → 2Br
Q
2Cl → Cl2
R
CH3 + Cl → CH3Cl
S
CH4 → CH3 + H
Be
Mg
Ca
Sr
Ba
What is the order of enthalpy changes of these reactions from most negative to most positive?
What is this property?
A
P→Q→R→S
A
ionic radius
B
Q→R→S→P
B
ionisation energy
C
R→Q→P→S
2
Section A
/ proton
For C
eachneutron
question
there ratio
are four possible answers, A, B, C, and D. Choose the one you consider to
D S→P→Q→R
be correct.
D rate of reaction with water
6
19
Which mass of gas would occupy a volume of 3 dm3 at 25 °C and 1 atmosphere pressure?
Which
approaches
behaviour
at room
temperature and pressure?
[1
mol ofgas
gasclosely
occupies
24 dm3 at 25ideal
°C and
1 atmosphere
pressure.]
A
A
ammonia
3.2
g O2 gas
B
B
g N2 gas
5.6
carbon
dioxide
C
C
g SO2 gas
8.0
helium
D
D
g CO2 gas
11.0
oxygen
10
7
Ammonium nitrate, NH4NO3, can decompose explosively when heated.
2
Use of the Data Booklet is relevant to this question.
NH4NO3 → N2O + 2H2O
The elements radon (Rn), francium (Fr) and radium (Ra) have consecutive proton numbers in the
Periodic
What
are Table.
the changes in the oxidation numbers
of the two nitrogen atoms in NH4NO3 when this
© UCLES
2009
9701/12/O/N/09
reaction proceeds?
What is the order of their first ionisation energies?
A
–2, –4
B
+2, +6
C
least
endothermic
Fr
Ra
Rn
B
Fr
Rn
Ra
Ra
Fr
Rn
9701/13/M/J/10
Rn
Ra
Fr
D
D
+4, –4
most
endothermic
A
© UCLESC
2010
3
+4, –6
Use of the Data Booklet is relevant to this question.
[Turn over
H
C
fluorine and chlorine
D
112
fluorine and iodine
1→2→3
3
O
O
NO2
B
2 → 1A
→3
C
3→1→2
D
to prevent chlorine gas escaping into the factory
0
0
molecular
to prevent the build up ofenergy
pressure in the electrolysis cell
B
C
to provide a large surface area of electrode
C
to stop the products of electrolysis from reacting together
D
3 → 2B→ 1
molecular
energy
D
T2
T2
T1
Which statement describes the halogens chlorine, bromine and iodine?T1
proportion
proportion
of
molecules
of
molecules
A Their bond energies decrease with increasing proton
number.
B
Their first ionisation energies increase with increasing proton number.
0
0
molecular
molecular
They are all coloured gases
at room temperature.
energy
energy
They are all good reducing agents.
C
D
12
9
C
2
T1
T1 are manufactured by the
T2 of chlorine and sodium hydroxide
Every year millions of tonnes each
T2
electrolysis of
brine
using
a
‘diaphragm
cell’.
proportion
proportion
of molecules
of molecules
What is the purpose of the diaphragm in such a cell?
A
8
C
O
H
Which diagram correctly represents the Boltzmann distribution of molecular energies at two
What
is the correct
of theTbond
angles shown in ascending order (smallest first)?
T2, where
temperatures
T1 andorder
1 = 300 K and T2 = 310 K?
A
7
1
H
Chile saltpetre, NaNO3, contains sodium iodide as an impurity.
Aqueous silver nitrate is added to an aqueous solution of Chile saltpetre. Concentrated aqueous
ammonia is then added.
Which observations are made?
© UCLES 2010
with acidified silver
nitrate
with9701/12/O/N/10
concentrated
aqueous ammonia
A
no precipitate
no further reaction
B
no precipitate
precipitate forms
C
precipitate forms
precipitate dissolves
D
precipitate forms
precipitate remains
© UCLES 2010
9701/13/O/N/10
[Turn over
13
7
C
lower
higher
lower
D
lower
lower
lower
Titanium occurs naturally as the mineral rutile, TiO2. One possible method of extraction of
titanium is to reduce the rutile by heating with carbon.
TiO2(s) + 2C(s) → Ti(s) + 2CO(g)
4
The standard enthalpy changes of formation of TiO2(s) and CO(g) are –940 kJ mol–1 and
–1 the equilibrium constant, Kc, for the reaction to form ethyl ethanoate from ethanol
10 –110
The value
kJ molof
respectively.
and ethanoic acid is 4.0 at 60 °C.
What is the standard enthalpy change of this reaction?
C2H5OH + CH3CO2H
CH3CO2C2H5 + H2O
A –830 kJ mol–1
7
When 1.0 mol of–1 ethanol and 1.0 mol of ethanoic acid are allowed to reach equilibrium at 60 °C,
kJnumber
mol
B
what–720
is the
of moles of ethyl ethanoate formed?
14 Which element–1is expected to show the greatest tendency to form some covalent compounds?
C
A
A
D
+720
1 kJ mol
3
aluminium
+830
kJ mol–1
B
calcium
B
2
3
C
1
4
D
3
4
14
11 Enthalpy changes of combustion can be used to determine enthalpy changes of formation. The
C
magnesium
following
equation represents the enthalpy change of formation of butane.
D
sodium
4C(s) + 5H2(g) → C4H10(g)
By using the following standard enthalpy of combustion data, what is the value of the standard
15 Use
of the
Data of
Booklet
is relevant
this
question.
enthalpy
change
formation,
, forto
this
reaction?
of fossil fuelscompound
is a major
sourceo of increasing atmospheric carbon dioxide, with a
9701/12/M/J/11
consequential rise in global warming. Another significant contribution to carbon dioxide levels
comes from the thermal decomposition
carbon of limestone,
–394 in the manufacture of cement and of lime for
agricultural purposes.
The2011
combustion
© UCLES
hydrogen
–286
Cement works roast 1000 million
tonnes of limestone
butane
–2877 per year and a further 200 million tonnes is
roasted in kilns to make lime.
A
–5883 kJ mol–1
What is the total
annual mass output of carbon dioxide (in million tonnes) from these two
B –129 kJ mol–1
processes?
C
+129 kJ mol–1
A
440
D
+2197 kJ mol–1
B
527
C
660
D
880
15
16 Properties of chlorine, iodine and their compounds are compared.
12 In a calorimetric experiment 1.60 g of a fuel is burnt. 45 % of the energy released is absorbed by
200 g of water whose temperature rises from 18 °C to 66 °C. The specific heat capacity of water is
Property
Q for chlorine is smaller than for iodine.
4.2 J g–1 K–1.
What
is the
property
Q? released per gram of fuel burnt?
What is
total energy
A
A
oxidising
element
56 000
J
25
200 J abilityBof the
B
solubility of the silver halide in NH3(aq)
C
89 600 J
D
143 360 J
13 Which equation represents the change corresponding to the enthalpy change of atomisation of
C
strength of van der Waals’ forces between the molecules of the element
iodine?
D
A
thermal
stability of the hydrogen halide
1
2
B
I2(g) → I(g)
I2(g) → 2I(g)
17 Which reagent, when mixed and heated with ammonium sulphate, liberates ammonia?
C
1
I (s)
2 2
→ I(g)
A
aqueous bromine
D
I2(s) → 2I(g)
B
dilute hydrochloric acid
C
limewater
© UCLES 2010
D
9701/13/O/N/10
acidified potassium dichromate(VI)
13 Use of the Data Booklet is relevant to this question.
B Fumarase is effective at body temperature.
When a mineral was heated in a Bunsen flame to constant mass, a colourless gas that turned
C Fumarase lowers the activation energy of the dehydrogenation reaction.
lime water milky was evolved. The remaining solid was cooled and then added to aqueous
8
hydrochloric
acid. Vigorous
seen.
D The enzyme
fumaraseeffervescence
is specific for was
this dehydrogenation
reaction.
16
18 Nitrogen monoxide, NO, is a primary pollutant produced by petrol engines and is found in their
What
was
the mineral?
exhaust
gases.
12 An aqueous solution was prepared containing 1.0 mol of AgNO3 and 1.0 mol of FeSO4 in 1.00 dm3
A
aragonite,
CaCO3in a catalytic converter and decreases the emission of +nitrogen monoxide?
Which
reaction
occurs
of water.
When
equilibrium was established, there was 0.44 mol of Ag (aq) in the mixture.
3
B
artinite, MgCO3.Mg(OH)
2.3H2O
+
2+
+
C(s)
A NO(g) + CO(g) →
NO2(g) Ag
(aq) + Fe (aq)
Ag(s) + Fe3+(aq)
5 C
Thebarytocalcite,
diagram shows
the variation
3 of the boiling points of the hydrogen halides.
B NO(g)
+ CO2(g)BaCO
→ NO32.CaCO
(g) + CO(g)
What is the numerical value of Kc?
D
dolomite,
CaCO3→
.MgCO
C 2NO(g)
+ 2CO(g)
N2(g)3+ 2CO2(g)
A
0.35
D
B
0.62
C
1.62
D
2.89
2NO(g) + CO2(g) → 2NO2(g) + C(s)
14 Use of the Data Booklet is relevant to this question.
b.p.
17
13
Which
elementpathway
shows the
greatest
tendency
to form into
some
compounds?
19 The
In
the
reaction
below,
an powder
alkane
is
converted
a covalent
carboxylic
through
several
reaction
between aluminium
and
anhydrous barium
nitrateacid
is used
as the
propellant
stages.
in
some
fireworks.
The
metal
oxides
and
nitrogen
are
the
only
products.
A aluminium
stage 1
stage 2
stage 3
Which
volume
measured
under Croom
conditions, is CH
produced
when 0.783 g of
B magnesium
C10H22 of nitrogen, C
2H 4
2H5OH
3CO2H
anhydrous barium nitrate reacts withcatalytic
an
excess
of
aluminium?
HF
HCl
HBr
HI
C neon
hydration
3
cm3 the higher
B 72.0
cm3 point ofChydrogen
93.6 cmfluoride?
D 144 cm3
A
46.8
What
explains
boiling
D
potassium
Which processes occur at stage 1 and at stage 3?
A
The bond energy of HF molecules is greater than in other hydrogen halides.
18
15 The oxides stage
BaO, 1CaO, MgO and
SrO
stage
3 all produce alkaline solutions when added to water.
B The effect of nuclear shielding is much reduced in fluorine which polarises the HF molecule.
A oxide
condensation
combustion
Which
produces the saturated
solution with the highest pH?
C The electronegativity of fluorine is much higher than for other elements in the group.
B
cracking
dehydration
A BaO(aq)
B CaO(aq)
C MgO(aq)
D SrO(aq)
D There is hydrogen bonding between HF molecules.
19
6
C
cracking
oxidation
D
dehydration
combustion
Three substances, R, S, T, have physical properties as shown.
© UCLES 2011
[Turn over
9701/13/O/N/11
20 Acrylic acid is produced from propene, a gaseous product of oil refineries.
electrical conductivity
o
substance
O
o
mp / C
bp / C
R
801
1413
© UCLES 2012S
2852
3600
x
y of solid
OH
of liquid
poor
good
9701/11/M/J/12
poor
good
acrylic acid
Which statement about acrylic acid is not correct?
3550
T
A
4827
good
not known
Both bond angles x and y are approximately 120°.
What could be the identities of R, S and T ?
B
It decolourises aqueous bromine.
C
It gives an orange precipitate with 2,4-dinitrophenylhydrazine reagent.
D
It reacts with an alcohol to give an ester.
R
S
T
A
NaF
KCl
Cu
B
NaBr
BaO
SiO2
C
NaCl
MgO
C [graphite]
D
NaBr
CaO
C [diamond]
© UCLES 2011
9701/11/M/J/11
[Turn over
product
A C HClgaseous
O
+2 B Mg(OH)2
C 0 Na2SO4
D
NH4Cl
A
acidic
Fe
D
+2
–1
10 propanal and with propan-2-ol?
20 Which
reagent
gives
the
same
visible
result
with
B
acidic
V2O5
23 A
The
products
obtained
by give
cracking
an alkane,
methane, ethene and propene.
reagent
20
C 2,4-dinitrophenylhydrazine
basic
Fe
30
Which
reaction
would not
ethanoic
acid asX,aare
product?
B
potassium
dichromate(VI)
D acidified
basic
V2the
Oreflux
The
mole fraction
of ethene
in
is 0.5.
5 products
A
heating
ethanenitrile
under
with dilute
sodium hydroxide
C
sodium
B
heating
ethanenitrile
What
is the identity
of X?under reflux with dilute sulfuric acid
19 Which
compound
contains two different elements with identical oxidation states?
D
Tollens’
reagent
C
dichromate(VI)
B C8reflux
H18 with acidified
C Csodium
D C11H24
A heating
C6H14 ethanal under
9H20
A HCl O
B Mg(OH)
C Na2SO4
D NH4Cl
D heating ethanol under reflux2with acidified sodium
dichromate(VI)
21 Which halogenoalkane will undergo an SN1 reaction and produce a yellow precipitate when
24 AgNO
Which (aq)
compound
does
not show cis-trans isomerism?
is added
to it?
3
21
20 Which reagent gives the same visible result with propanal and with propan-2-ol?
A 1-chlorobutane
2-methylpent-2-ene
A
A 2,4-dinitrophenylhydrazine reagent
B 1-iodobutane
3-methylpent-2-ene
B
© UCLES
2011
9701/12/M/J/11
[Turn over
B acidified potassium dichromate(VI)
C
3,4-dimethylhex-3-ene
C 2-chloro-2-methylpropane
C sodium
D 2-iodo-2-methylpropane
pent-2-ene
D
D Tollens’ reagent
25 Which
Which reaction
formulaewill
show
and propanal
as different
22
22
givepropanone
2-chloropropane
in the best
yield? compounds?
21 Which halogenoalkane will undergo an 11
SN1 reaction and produce a yellow precipitate when
A empirical, molecular, structural and displayed formulae
added
it?
AgNO
3(aq) is gas
A propane
withtochlorine
gas in the presence of ultraviolet light
26 Compound
X changes
the colourdisplayed
of warm acidified
sodium
B 1-chlorobutane
molecular,
structural
formulae
only dichromate(VI) from orange to green.
A
B
propan-2-ol
with diluteand
NaCl (aq)
1 mol of X reacts with 2 mol of HCN in the presence of KCN.
C structural and displayed formulae only
B
C 1-iodobutane
propan-2-ol with SOCl 2
What could X be?
D displayed formulae only
C
D 2-chloro-2-methylpropane
propene with dilute HCl (aq)
A CH CH CH CHO
3
2
2
D
2-iodo-2-methylpropane
B CH
3COCH2COCH3
23
26 How many isomers with the formula C5H10 have structures that involve π bonding?
C
H2C=CHCH2CHO
A 3 reaction will give
B 2-chloropropane
4
C the5 best yield?
22 Which
in
D
D
6
OHCCH2CH2CHO
A propane gas with chlorine gas in the presence of ultraviolet light
27
1,1-dichloropropane reacts with aqueous sodium hydroxide in a series of steps to give propanal.
24
27 B
Which
formula represents
an NaCl
ester (aq)
which will form sodium ethanoate on hydrolysis with aqueous
propan-2-ol
with dilute
sodium hydroxide?
NaOH(aq)
C propan-2-ol with SOCl
2 CH CHCl
CH
CH3CH
© UCLES 2011
9701/12/M/J/11
[Turn over
3
2
2
A
B 2CHO
O
D propene with dilute
O HCl (aq)
Which term describes the first step of this reaction?
HC
CH
C
O
A
3
2
electrophilic
addition
B
elimination
C
nucleophilic substitution
C
D
oxidation O
H
C
CH2
CH3
H 3C
CH2
C
O
CH3
D
O
O
© UCLES 2011
CH2
CH3
H 3C
9701/12/M/J/11
C
O
CH2
CH2
CH3
[Turn over
28 A compound Y is treated with warm acidified potassium dichromate(VI). The resulting organic
product gives an orange precipitate with 2,4-dinitrophenylhydrazine reagent but does not give a
silver mirror with Tollens’ reagent.
What is Y?
A
butan-1-ol
B 2011
butan-2-ol
© UCLES
C
butanal
D
2-methylpropan-2-ol
9701/12/M/J/11
O
O
H
step
C 1O
A
CH2
CH3
HCN(g)
H 3C
step 2
C
O
CH2
CH2
CH3
HCl (aq)
B
HCO
HCl (aq)potassium dichromate(VI). The resulting organic
28 A compound
Y is2Na(aq)
treated with warm acidified
25
product gives an orange precipitate with 2,4-dinitrophenylhydrazine reagent but does not give a
C mirror
KCN(aq
/ alcoholic)
H2SO4(aq)
silver
with Tollens’
reagent.
D is Y? NaOH(aq)
What
A
K2Cr2O7 / H2SO4(aq)
butan-1-ol
22 The formula CH3 can represent an anion, a cation or a free radical. Species with the molecular
B butan-2-ol
formula CH3 can act as an electrophile, a free radical or a nucleophile depending on the number
of outer
shell electrons on the central carbon atom.
C
butanal
D
11
How2-methylpropan-2-ol
many outer shell electrons must be present
for CH3 to act in these different ways?
26
26 Compound X changes the colour of warm acidified sodium dichromate(VI) from orange to green.
29 AldehydesCH
and
ketones
areCH
carbonyl
an 2 mol
as aincompounds.
CH3 as aof KCN.
3 as
1 mol of X reacts
with
of 3HCN
the presence
electrophile
free radical
nucleophile
Which of them react with NaBH4 and react with Fehling’s reagent?
What could X be?
A
6
7
8
A both aldehydes and ketones
A CH3CH2CH2CHO
B
6
8
B aldehydes only
B CH3COCH2COCH3
C
7
6
C ketones only
C H2C=CHCH2CHO
8
7
D Dneither aldehydes
nor ketones
D OHCCH2CH2CHO
7
8
6
27
23
Pentanol, C5Hrepresents
11OH, has four structural isomers that are primary alcohols.
27
Which formula
an ester which9701/11/M/J/11
will form sodium ethanoate on hydrolysis with
aqueous
© UCLES 2011
[Turn
over
sodium hydroxide?
How many of these primary alcohols contain a chiral carbon atom?
A
A
0
B
O
B
1
C
2
8
D
O
3
28
24 Tartaric acid is present in some wines. It may be synthesised in the laboratory in two steps.
H 3C
H 3C
C O CH2 CH3
CH2
CH3
CH2
C O
OHCCHO
step 1
step 2
intermediate
HO2CCH(OH)CH(OH)CO2H
Dtartaric acid
C
Which reagentsOcould be used for this synthesis?
H
C
O
step 1
A
CH2
HCl (aq)
CH3
H 3C
O
C
O
CH2
CH2
CH3
step 2
HCN(g)
28 A compound Y is treated with warm acidified potassium dichromate(VI). The resulting organic
product
gives
orange precipitate with 2,4-dinitrophenylhydrazine
reagent but does not give a
B
HCN, an
NaCN(aq/alcoholic)
H2SO4(aq)
silver mirror with Tollens’ reagent.
C
H2SO4(aq)
K2Cr2O7 / H2SO4(aq)
KCN(aq/alcoholic)
K2Cr2O7 / H2SO4(aq)
What is Y?
D
© UCLES 2011
A
9701/11/M/J/11
[Turn over
butan-1-ol
butan-2-ol
25 BWhich
alcohol gives only one possible oxidation product when warmed with dilute acidified
Cpotassium
butanal dichromate(VI)?
butan-1-ol
DA 2-methylpropan-2-ol
B
butan-2-ol
29 Aldehydes and ketones are carbonyl compounds.
C
2-methylpropan-1-ol
Which
of them react with NaBH4 and react with Fehling’s reagent?
D 2-methylpropan-2-ol
A
both aldehydes and ketones
26 BLactic
acid occurs
aldehydes
only naturally, for example in sour milk.
C
ketones only
H
What is the molecular formula of compound X?
A
C2H6O2
B
C2H6O3
C
C4H8O
D
C4H8O2
29
23 Limonene is an oil formed in the peel of citrus fruits.
CH3
C
CH2
CH3
limonene
Which product is formed when an excess of bromine, Br2(l), reacts with limonene at room
temperature in the dark?
6
A
19
B
C
D
Which property of beryllium and its compounds is typical of the elements below it in Group II?
Br
Br
A
CH2
CH2
CH3
CH3
Be does
not react with hot
C
C water.
B
Br
BeCl2 is covalent.
C
Be(NO3)2 produces BeO on thermal decomposition.
D
BeO dissolves in alkalis.
CH3
Br
CH
CH2Br
C
CH3
CH3
Br
CH3
CH3
3
C
CH2Br
Br
Br
30
20 A compound Y has all of the properties below.
•
It is a liquid at 25 °C.
•
It mixes completely with water.
•
It reacts with aqueous sodium hydroxide.
What could Y be?
A
ethanoic acid
B
ethanol
C
ethene
D 2010
ethyl
© UCLES
ethanoate
[Turn over
9701/13/O/N/10
21 One of the characteristics of addition polymerisation is that the empirical formulae of the polymer
and of its monomer are the same. The absorbent material in babies’ disposable nappies is made
from the addition polymer shown.
CH2
CH
CH2
CH
CH2
CH
CO2H CO2H CO2H
From which monomer could this addition polymer be obtained?
A
CH3CH(OH)CO2H
B
HOCH2CH2CO2H
C
H2C=CHCO2H
D
HO2CCH=CHCO2H
37 The following three hydrocarbons all occur naturally.
1, 2 and 3
1 and 2
2 and 3
1 only
Which of these will be split into two organic compounds, both containing a ketone group, when
are
only are
only are
is
treated with hot acidified potassium manganate(VII)?
correct
correct
correct
correct
12
Section B
No other combination of statements is used as a correct response.
2 in this section, one or3 more of the three numbered statements 1 to 3 may
1For each of the questions
be correct.
31 Use
of the Data Booklet is relevant to this question.
Decide whether each of the statements is or is not correct (you may find it helpful to put a tick against
the statements that you consider to be correct).
The technetium–99 isotope (99Tc) is radioactive and has been found in lobsters and seaweed
The responses
A to D fuel
should
be selected on
the basis of
adjacent
to nuclear
reprocessing
plants.
38 Which are properties of fluoroalkanes?
Which
statements
are correct
an atom of 99CTc?
Bthe corresponding
1 They
areAless reactive
thanabout
chloroalkanes. D
1
2
2 and
3 neutrons1than
and 2protons. 142 and 3
It has1,are
13
more
They
non-flammable.
1 only
is
correct
are
only are
only are
correct
correct
correct
2
It
has
43
protons.
The C-F
bond
is stronger
than a C-Cl
The 3
responses
A to
D should
be selected
on thebond.
basis
of
3
It has 99 nucleons.
A
C
D give a product that will
39 Which compounds
are able toBreact with concentrated
sulphuric acid to
decolourise acidic potassium manganate(VII)?
31
32 Which
following
contain
more
than
1,of2 the
and
3 followingsolids
1 and
2 ions
2one
andtype
3 of chemical
1bond?
only
31 Which
of the
molecules
and
have
a regular
trigonal
planar shape?
are
only
are
only
are
is
1 (CH3)3COH
1 correct
Al Cl
3 alloy of copper
1 brass
(an
and zinc)
correct
correct
correct
CH+2CH(OH)CH3
2 CH
2 3CH
3
2 graphite
CO32H of statements is used as a correct response.
3 CH
3combination
No other
3PH
3 ice
No other combination of statements is used as a correct response.
32 A quantity
solid Y drug
was placed
in arthritis,
a previously
evacuated
vessel
and the apparatus
was group.
then
32
40 Deuterium,
Rofecoxib,
an of
efficient
against
has
the
structure.
Rproperties
is an inert
of hydrogen.
DBrtemperature,
hasfollowing
the same
chemical
HBr.
38
is
theof 2different
1H isotope
held at aD,series
temperatures.
At each
the mass
of Y in
the vapouras
state
33 Many crude oils contain sulphur as H2S. During refining, by the Claus process, the H2S is
was calculated
from
pressurewhich
measurements.
The results are shown below.
converted
into solid
sulphur,
is then removed.
R with another compound in a single
Which compounds could be made by the reaction of DBr
reaction?
reaction I
2H S(g) + 3O (g) → 2H O(l) + 2SO (g)
Br
mass of
vapour
2
2
2
2
reaction II m
2H2CH
S(g)
+ SO2(g) → 2H2O(l) + 3S(s)
2
D
C
Which
statements about the Claus process are correct?
1
O
* C
1 H2S is oxidised in reaction I.
C
T
temperature
2 SO2 oxidises H2S in reaction II.
O
What can be deduced from the diagram?
3 SO2 behaves as a catalyst.
2
2CHDBr
1CHBr
The
mass of Y used in the experiment was m.
Which reactions are possible with this structure?
2
The pressure of the vapour was constant for all temperatures above temperature T.
© UCLES
1 2007
The
bondOD
marked atistemperature
hydrolysed
3 Liquid
appeared
T.
3
2
3
9701/01/M/J/07
by heating
with aqueous sodium hydroxide.
CH3CH
Aqueous
bromine is decolourised.
Br
An orange precipitate is formed with 2,4-dinitrophenylhydrazine reagent.
33
39 How can the rate of reaction between ethanal and aqueous hydrogen cyanide be increased?
1© UCLES
by irradiation
with ultraviolet light
2005
2
by a rise in temperature
© UCLES 2006
3
9701/01/M/J/05
9701/01/O/N/06
by the addition of a small quantity of aqueous sodium cyanide
40 Which statements about lactic acid, CH3CH(OH)CO2H, are correct?
1
Lactic acid forms optical isomers.
2
Two hydrogen atoms per lactic acid molecule can be involved in hydrogen bonding.
3
Lactic acid would form an aldehyde when oxidised by acidified potassium dichromate(VI).
2
It has a low thermal conductivity.
3
It does not react with basic slags.
34
36 Chlorine reacts with hot concentrated aqueous sodium hydroxide according to the equation
below.
3Cl2(g) + 6NaOH(aq) → NaCl O3(aq) + 5NaCl (aq) + 3H2O(l)
Which conclusions can be drawn from this information?
12
1 The oxidation state of the chlorine in one of the products is +5.
2
Section B
The chlorine undergoes disproportionation.
3 The
sodium
hydroxide
as a one
reducing
agent.
For each
of the
questions
in thisacts
section,
or more
of the three numbered statements 1 to 3 may
15
be correct.
39 The steroid shown is an intermediate compound obtained during the synthesis of Formestane
35
Decide whether each of the statements is or is not correct (you may find it helpful to put a tick against
which is used in the treatment of breast cancer.
the statements that you consider to be correct).
O
The responses A to D should be selected on the basisCH
of 3
14
CH3
A
B
The responses A to D should be selected on the basis C
of
1,
© UCLES 2005
2 and 3
1 and
2 and 3
9701/01/O/N/05
HO2
A
C
are
only B
are
only are
OH
correct
correct
correct
1, 2 and 3
1 and 2
2 and 3
Which statements
about this compound
are
only are are correct? only are
No other combination
is used as a correctcorrect
response.
correct of statements
correct
1 It reacts with hydrogen cyanide in a nucleophilic addition reaction.
2
D
1 only
is D
correct
1 only
is
correct
It can be oxidised by warm acidified potassium dichromate(VI) to a carboxylic acid.
12
C as
atom
is 12 the
relative molecular mass of a particular
31 other
On acombination
scale in which
the mass of
No
of statements
is aused
a correct
response.
3
It willofreact
with is
Fehling’s
solution.
sample
chlorine
72.
Whichtypes
properties
of the are
atoms
in this sample
are always the same?
36
38 What
of reaction
undergone
by 2-bromopropane?
40 A sun protection cream contains the following ester as its active ingredient.
11
radius
elimination
22
3
3
nucleon
number
CH3O
free
radical
substitution
isotopic mass
nucleophilic substitution
CH CHCO2CH2CH
CH2CH2
CH2CH2CH2CH3
What are the products of its partial or total hydrolysis by aqueous sodium hydroxide?
37
32 An ideal gas obeys the gas laws under all conditions of temperature and pressure.
1 CH3CH
39 Menthol,
from
of2CH(CH
mint, is
used
in2OH
soaps and perfumes.
2CHoil
2CH
2CH
3)CH
Which of the following are true for an ideal gas?
CH3
2
1
2
3
3
CH3O
CH CHCO- Na+
2
The molecules have negligible
volume.
CH
There are no forces
of attraction between molecules.
CH2
CH2
CH3O
CO-2 Na+
The molecules have an average kinetic energy which is proportional to its absolute
CH(OH)
CH2
temperature.
CH
o
33 For which reactions does the value of ∆H
CH represent both a standard enthalpy change of
combustion and a standard enthalpy change of formation?
CH3 CH3
1
C(s) + O2(g) → CO2(g)
menthol
2 2C(s) + O2(g) → 2CO(g)
Which statements about menthol are correct?
3 CO(g) + 21 O2(g) → CO2(g)
1 There is a total of two chiral centres present in the menthol molecule.
2
On reaction with concentrated sulphuric acid, menthol produces a mixture of two alkenes.
3
A solution of acidified potassium dichromate(VI), on warming with menthol, changes colour
correct
correct
correct
correct
No other combination of statements is used as a correct response.
38
39 The diagram shows an experiment.
liquid X on
mineral wool
support
silica, alumina
or baked clay
14
gas collected
Section B
For each of the questions in this section, one or more of the three numbered statements 1 to 3 may
be correct.
Decide whether each of the statements is or is not correct (you may find it helpful to put a tick against
the statements that you
consider to be correct).
strong
heat
gentle
trough of
The responses
heatA to D should be selected on the basis of
water
A
B
C
D
Which
by using2the
above
apparatus?1 only
1,processes
2 and 3 could be demonstrated
1 and 2
and
3
are
only are
only are
is
1 thecorrect
oxidation of ethanol (the
liquid
X)
correct
correct
correct
2 the dehydration of ethanol (the liquid X)
No other
combination of statements is used as a correct response.
3 the cracking of paraffin (the liquid X)
39
31 Which physical properties are due to hydrogen bonding between water molecules?
40 A compound has a relative molecular mass of 88 and its molecule contains only four carbon
1atoms.
Water has a higher boiling point than H2S.
2What
Icecould
floats
oncompound
water.
this
be?
31
The
H−O−H non-cyclic
bond angle
in water is approximately
104°.
15
a saturated
diol
2 a statements
secondary about
alcohol
aldehyde
40
35 Which
thecontaining
reaction ofan
solid
sodiumgroup
bromide with concentrated sulfuric acid are
32 correct?
Which equilibria, in which all species are gaseous, would have equilibrium constants, Kp, with no
3 a primary alcohol containing a ketone group
units?
1
Hydrogen bromide is a product of the reaction.
1
sulfur dioxide and oxygen in equilibrium with sulfur trioxide
2
Sulfuric acid is oxidised to sulfur dioxide.
2
hydrogen and iodine in equilibrium with hydrogen iodide
3
Bromide ions are reduced to bromine.
3
carbon monoxide and steam in equilibrium with carbon dioxide and hydrogen
Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every
reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the
36
Which
true
forearliest
an Spossible
publisher
will bestatements
pleased to makeare
amends
at the
opportunity.
N2 reaction?
University
of Cambridge
Examinations
is part of
the Cambridge
Assessment
Group.
Cambridge
Assessment
is the at
brand
of University ofof
33
Why
does
aInternational
mixture
of hydrogen
gas
and
bromine
gas
react
together
faster
a name
temperature
1
One
bond
is broken
another
formed.
Cambridge
Local
Examinations
Syndicate as
(UCLES),
which bond
is itself ais
department
of the University of Cambridge.
500 K than it does at a temperature of 400 K?
© UCLES
2 2009
The
9701/11/O/N/09
formation of a transition state involves
the collision of two molecules or ions.
1
A higher proportion of effective collisions occurs at 500 K.
3
A carbon atom in the transition state is bonded, either fully or partially, to five other atoms.
2
Hydrogen molecules and bromine molecules collide more frequently at 500 K.
37 The
free radical
takes
the destruction
ozone
3 chlorine
The activation
energy
ofpart
the inreaction
is lowerofatthe
500
K. layer.
Which statements about this free radical are correct?
34 1A farmer
added
to dampfission
soil, followed
by the
nitrogenous
fertiliser ammonium
It is formed
by lime
the heterolytic
of the covalent
bond
in a chlorine-containing
molecule. sulfate. A
chemical reaction occurred in the soil.
2
It has a single unpaired electron.
Which substances were formed in this reaction?
3
It has the same electron arrangement as a chlorine atom.
1
sulfuric acid
38 The
2 diagram
calcium shows
sulfatean experiment.