coDE
FORM TP 2017004
01212010
JANUARY 20I7
CARIBBEAN EXAMINATIONS COUNCIL
CARIBBEAN SECONDARY EDUCATION CERTIFICATE@
EXAMINATION
CHEMISTRY
Paper 01 - General ProficiencY
t
18
hour 15 minutes
JANUARY 2017 (p.mJ
READ THE FOLLOWING INSTRUCTIONS CAREFULLY.
I
l5 minutes to answer them.
ffi
I
This test consists of 60 items. You will have
ffi
2
In addition to this test booklet, you should have an answer sheet.
3
Each item in this test has four suggested answers lettered (A), (B), (C),
you are about to answer and decide which choice is best.
4
hour and
(D).
Read each item
On your answer sheet, find the number which corresponds to your item and shade the space
having the same letter as the answer you have chosen. Look at the sample item below.
Sample ltem
The Sl unit of length is the
(A)
(B)
(C)
(D)
Sample Answer
o
metre
newton
@
second
kilogram
The best answer to this item is "metre", so (A) has been shaded.
erase it completely before you
fill
in your new choice.
5.
If you want to change your answer,
6.
When you are told to begin, turn the page and work as quickly and as carefully as you can
If you cannot answer an item, go on to the next one. You may return to that item later.
7
You may do any rough work in this booklet.
8
Figures are not necessarily drawn to
9
You may use a silent, non-programmable calculator to answer items.
scale.
:er.
DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO
EilE
]l-tr
Copyright @ 2015 Caribbean Examinations Council
All rights reserved.
SO.
-2In which of the following situations
1.
4.
is
Brown ian motion demonstrated?
(B)
Pollen grains moving at random in
water
The scent of Perfume moving from
(c)
ofa room to another
The swelling of red beans when
(A)
(A)
(B)
one Part
(D)
soaked in water
Loss of heat frorii a hot body to
body
a
5.
cold
Item 2 refers to the four sets of properties
frr-ented bY the oPtions, A, B, C and D,
2
Approximate
(A)
(B)
+l
I
0
I
(c)
I
0
(D)
0
2
6.
Mass
(c)
Lead sulfate
Lead nitrate
Lead chloride
(D)
Lead carbonate
Which of the following oxides shows both
acidic and basic ProPerties?
(A)
(B)
lron(ll) oxide
(c)
Calcium oxide
Aluminium oxide
(D)
below.
Relative
Charge
Which ofthe following compounds is soluble
in cold water?
Which of the foltowing statements BEST
describes the difference between an atom and
an ion?
(A)
(B)
Which of the properties above refer to
a
(c)
From thetable below, which ofthe substances
is
represented by the options, A, B, C and D,
MOST likelY sodium chloride?
Substance
Boiling
Point
An atom is electrically neutral but
an ion is PositivelY charged.
An atom is electrically neutral but
an ion is negativelY charged'
An atom contains equal numbers
of
protons and electrons whereas an
ion contains more electrons than
neutron?
3
Sodium oxide
(D)
protons.
An atom contains equal numbers
of
protons and electrons whereas an
ion contains unequal numbers of
protons and electrons.
Electrical
ConductivitY
('c)
Solid
State
Aqueous
State
(A)
(B)
1465
Yes
444
No
No
(c)
2600
Yes
No
No
(D)
-35
No
Yes
*1r
r-:rl ON TO THE NF,XT PACE
-3and chlorine.
Item 7 refers to the foltowing equation which represents the reaction between ethene
H
H
c
H
7
.
(c)
(D)
l
C
C
I
H
cI
I
H
I
ct
Addition
Substitution
Addition polymerization
Condensation polymerization
Items
Which of the following is classified as a
neutraloxide?
(A)
(B)
(c)
(D)
9
H
What type of reaction does the equation represent?
(A)
(B)
8.
c
H
(c)
(D)
concentrated hydrochloric ac id, a green ishyellow gaswhich bleaches moistred litmus
paper is given off.
Sulfur dioxide
Carbon dioiide
Carbon monoxide
Period I Group
Period I Group
Period 3 Croup
Period 3 Group
refer to the following
When a compound is treated with
Sodium oxide
An element, X, has an electron configuration
2,8,1. At which of the following positions
is the element in the Periodic Table?
(A)
(B)
10-ll
information.
10.
The gas given
(A)
(B)
(C)
(D)
I
II
off
is
chlorine
ammonia
sulfur dioxide
nitrogen dioxide
I
II
11.
The concentrated hydrochloric acid
acting
(A)
(B)
as
an acid
(c)
a catalyst
a reducing agent
(D)
an oxidizing agent
iFip
ffi
GO ON TO THE NEXT PAGE
is
-4t2
Two solutions are to be mixed in order to
demonstrate endothermic change. Which of
the following techniques would be MOST
appropriate?
(A)
(B)
(C)
(D)
13
Taking mass readings
Taking temperature readings
Monitoring the pH ofthe solutions
Carefullyobservingcolourchanges
t4
Ethanoic acid reacts with ethanol to form
an ester and water. How many moles
of ethanoic acid are required to produce
0.5 mol of the ester?
(A)
(B)
0.05
0.5
(c)
I
(D)
2
Crystals of sodium chloride are BEST
described as
(A)
(B)
(c)
(D)
ionic
metallic
molecular
macromolecular
Item 15 refers to the following diagram
Weak
bond
Strong
bond
15.
The diagram above represents the arrangement of atoms in
(A)
(B)
sulfur
graphite
(c)
benzene
(D)
diamond
GO ON TO THE NEXT PACE
5
16
Which ofthe following statements regarding
20
Which of the following techniques or
the effect of a catalyst on a reaction is
processes may be used to separate a mixture
INCORRECT?
of plant pigments?
(A)
It
has no effect on the yield
(A)
(B)
(C)
(D)
of
products.
(B)
It is unchanged chemically on
(c)
completion of the reaction.
It allows equilibrium to be attained
Centrifugation
Solvent extraction
Fractionaldistillation
Paper chromatography
more rapidly-'in a reversible
(D)
Items?l-22 refer to the following
reaction.
It lowers the energy of the reactants
information.
so that the reaction occurs at a
A solution of iron(ll) sulfate
faster rate.
17.
In which of the following
until in EXCESS to a solution of barium
nitrate. The precipitate produced was
filtered off and water was added to the
residue in the filter paper.
compounds
does hydrogen have a negative oxidation
number?
21.
(A)
CHo
(B)
NaH
(A)
(B)
yellow
brown
(c)
NH,
(c)
green
(D)
white
(D)
HrO,
22.
18.
From which of the following substances
can a solid be obtained by the process of
Gels
Emulsions
(c)
Foams
Suspensions
(D)
The colourofthe precipitate produced was
Water was added to the residue to
(A)
(B)
(C)
(D)
sedimentation?
(A)
(B)
was added
23
dissolve the precipitate
prevent further reaction
puriff the precipitate
dilute the filtrate
The atoms of element Y contain l9 electrons.
The chemistry of element Y willbe similar
to
19
Which of the following gases shows NO
reaction with moist litmus paper?
(A)
(B)
(C)
(D)
Ammonia
Hydrogen
Sulfur dioxide
Hydrogen sulfide
(A)
(B)
(c)
(D)
aluminium
magnesium
bromine
lithium
is/tl
a
ffiE
GO ON TO THE NEXT PAGE
-624.
Which ofthe following halogens is a liquid
at room temperature?
(A)
Iodine
(B)
Fluorine
Bromine
Chlorine
(c)
(D)
25.
26.
(A)
(B)
(C)
(D)
During the reaction..between ethanol
and ethanoic acid, a small quantity of
27
concentrated sulfuric acid is added to
(A)
(B)
(C)
(D)
Which of the following reactions occurs
between propene and bromine?
oxidize the ethanol
catalyse the reaction
dehydrate the ethanol
hydrolyse the products
Addition
Substitution
Precipitation
Condensation
FeCl, and FeCl, are two chlorides
of
iron.
Which of the following statements about
these two chlorides of iron is/are TRUE?
II
The percentage of iron by mass in
the two chlorides is different.
The colours of the aqueous
solutions of the two chlorides
are different.
III.
The aqueous solutions of the
two chlorides do not conduct
electricity.
(A)
(B)
(c)
(D)
28.
29.
When solid lead nitrate is heated, it decomposes giving
BALANCED equation for this reaction is
(A)
2Pb(NOJz(s)
(B)
Rb(NOr)r(s) -+ PbO(s; + NOr(S) + O,(g)
(C)
Pb(NOr),(s)
+
(D)
2PbCIO3)r(s)
+
+
I only
III only
I and Il only
I and III only
off nitrogen(lV) oxide and oxygen.
The
2PbO(s) + 4NO,(g1+ Or(B)
PbO(s) + 2NO,(g) + Or(g)
PbO(s)+ zNOr(B) + Or(s)
Which of the following compounds yields a brown gas and a black solid residue on heating?
(A)
(B)
(C)
(D)
Sodium carbonate
Copper hydroxide
Sodium nitrate
Copper nitrate
iur1r.
GO ON TO THE NEXT PAGE
-7
30
Items 32-33 refer to the following
diagrams which represent bonding as
occurs in certain compounds.
Which ofthe following metals are extracted
from their ores by reduction oftheir oxides
with carbon?
(A)
(B)
Aluminium and magnesium
(c)
Zinc and aluminium
Iron and zinc
(D)
31.
-
it
Lead and magnesium
(A)
x
a
(B)
a
During the electrolysis of aqueous copper(l I)
sulfate solution using inert electrodes, the
ions migrating to the cathode are
(A)
x
Cu2. (aq) and H* (aq)
(B)
H* (aq) and OH- (aq)
(C)
SO.F (ag) and OH-(aq)
(D)
Cu2* (aq) and SOn2-(ag)
x
a
C
(c)
x
a
x
x
(D)
o
In answering ltems 32-33, each option may
be used once, more than once or not at all.
32.
33.
Which of the diagrams illustrates bonding in
chlorine?
fr.,
Which of the diagrarirs illustrates bonding in
oxygen?
a
ffi
GO ON TO THF. NF,XT PAGF,
-834.
The rate of a chemical reaction does NOT
Items 37-38 refer to the following acids.
depend on the
(A)
(B)
(c)
(D)
(A)
(B)
(C)
(D)
of a catalyst
concentration of the reactants
temperature of the reacting system
energy change associated with the
pnesence
reaction
Sulfuric acid
Hydrochloric acid
Nitric acid
Ethanoic acid
ln answering ltems 37-38, a particular acid
may be used once, more than once, or not at
all.
Items 3$-36 refer to the following
reactions.
(A)
(B)
(c)
(D)
Hydrolysis
Dehydration
Saponification
Esterification
37.
Which acid functions as a dehydrating agent
when concentrated?
38.
Which acid reacts with copper to produce an
acidic, reddish-brown gas?
39.
Which of the following ionic equations
In answering ltems 35-36, each reaction may
be used once, more than once, or not at all.
involves oxidation?
35.
In which reaction is ethane produced from
(A) 52--2e-+ S
(B) Clr+ 2e- + 2Cl(C) 2H* + 2e- --> H,
(D) Na* * e- -+ Na
ethanol?
36.
Which rcaction involves the boiling ofa fat or
oil with aqueous sodium hydroxide (caustic
soda)?
40
Which of the following methods is used for
the extraction of aluminium?
(A)
(B)
(C)
(D)
Electrolysis of its molten oxide
Reduction of its oxide using coke
Electrolysis of its aqueous chloride
Reduction of is oxide using carbon
monoxide
ivl
CO ON TO THE NEXT PAGE
-9Item
4l
refers to the fully displayed structural formulae of compounds Q, R and S shown below.
H
I
H
/
I
c
c
I
I
H
H
H
o
H
/
I
H
C
o-H
C
C
I
H
H
o
I
H
\lo-c-H
H
c
H
I
c
H
I
c
I
I
I
H
H
H
- o -H
I
H
aRs
4t
Which of the following correctly identifies the homotogous series to which each compound
belongs?
aRs
(A)
(B)
(c)
(D)
42
43
Ester
Acid
Alcohol
Acid
Acid
Alcohol
Alcohol
Ester
Ester
Acid
Alcohol
Ester
Which ofthe fol lowing metals neither reacts
44.
with water nor displaces hydrogen from
Which ofthe followingaqueous solutions will
produce a yellow precipitate with aqueous
dilute hydrochloric acid?
potassium iodide?
(A)
(B)
(C)
(D)
(A)
(B)
(C)
(D)
Iron
Zinc
Copper
Calcium
The existence of rnillions of orgarric
compounds is due primarily to the ability of
t.
It was found that magnesium metaldisplaces
zinc ions in zinc sulfate, while zinc metal
displaces lead ions in lead sulfate.
multiple bonds
ring structures
branched chains
45
(A)
(B)
(c)
(D)
Sodium carbonate
Item 45 refers to the following information.
carbon to form
It.
III.
Lead nitrate
Zinc sulfate
Calcium chloride
I and Il only
I and III only
Il and III only
I, II and III
What is the order of reactivity, from most
reactive to least reactive?
(A)
(B)
(c)
(D)
Pb,Zn and I!!g
Mg,Zn and FB
Zn,Mgarrd Pb
Zn,Pb arrd Mg
i!r'l!*
ilff{
rrfif
GO ON TO THF, NF.XT PAGE
- l0Items
4647 refer to the following
organic
50
compounds.
(A)
(B)
(C)
(D)
Which ofthe following structures represents
a compound that can react with an alcohol
to produce a sweet smelling liquid?
Natural gas
Propene
H
H
Ethanol
c
(A)
Vinegar
HIIH
rll
all.
(B)
46.
Which ofthe compounds can be hydrated?
47.
Which of the compounds has a pH less than
H-c-c-c-o-H
lll
EHH
HII
(c)
7?
48.
H
carbon monoxide reacts with iron(lll) oxide?
(D)
Oronly
Fe only
CO, and CO onlY
CO, and Fe only
I.
Effervescence occurs.
A gas is evolved with a Pungent
III.
odour.
A gas is evolved which turns
limewater milky.
(A) I and II only
(B) I and III onlY
(C) II and III onlY
(D) I,ll and III
-C_
/
/t
c
o
-H
o
H
c
H
o
I
-C-H
l
H
A piece of limestone is treated with dilute
hydrochloric acid. Which of the following
would be observed?
II.
H
I
I
51.
49
o
ll
H-c-cll
HH
Which of the following is produced when
(A)
(B)
(C)
(D)
H
H
4H7,
each compound
than
once or not at
more
may be used oncO,
In answering ltems
C
52.
Steel is often used in place of iron because
(A)
(B)
has a lower melting point
(c)
is stronger
(D)
is cheaper
it
is more susceptible to corrosion
A solution has a pH of l. This solution would
be expected to react with
(A)
(B)
(c)
zinc metalto produce hydrogen
hydrochloric acid to produce chlorine
zinc metal to produce a solution of
(D)
pH l0
hydrochloric acid to produce a salt
iland water
GO ON TO THF, NEXT PAGE
53.
Which of the following is the reason for
adding cryolite to pure alumina in the
extraction of aluminium by electrolysis?
(A)
(B)
(c)
(D)
lt57
(A)
(B)
It lowers the melting point.
It reduces the resistance.
It reduces the current.
It prevents damage.
(c)
(D)
58.
54.
What type of reaction occurs when zinc metal
is added to copper sulfate solution?
(A)
(B)
(C)
(D)
series have
Neutralization
Displacement
densities
boiling points
chemical properties
physical properties
Glucose is converted to starch or cellulose
by
(A)
(B)
(C)
(D)
Combustion
condensation polymerization
addition polymerization
oxidation and reduction
dehydrogenation
Decomposition
59
55.
ALL members of a homologous
similar
A formula of
a gas
with
a
distinctive colour
Which of these compounds will react with
bromine solution only if light is present?
is
(A)
(B)
(c)
(D)
(A)
(B)
(c)
(D)
SO,
NO,
CO,
NH,
60
56
Which ofthe following is a natural source
of
CrH,
CrHn
crHu
CuH,
During the manufacture of ethanol by
fermentation, the gas evolved
hydrocarbons?
(A)
(B)
(C)
(D)
(A)
(B)
(C)
(D)
Carbon
Methane
Hydrogen
Petroleum
END OF TEST
a
ffi
burns with a blue flame
tums limewater cloudy
relights a glowing splint
tums petassium dichromate green
flzlr
IF YOU FINISH BEFORE TIME IS CALLED, CHECK YOUR WORK ON THIS TEST.