(196 36)
de
Queens
Chaptextbook
AA,Bi, 2B, 2A
"'s within thetext.26,27,29,46,48,49,51,
2
Questions
#
6.1) Classify
each
X
a)
11
transformation
I
+
eliminations
substitution
->
->
O
CH
a)
->
CHCH2CH(Ot CH3
CH3-CH2CH
substitution
->
I
out
6.4)
Use curved
arrows to show
a)
(CH3)gCwN=N:
b)
+ CH3-
-
CH5
CH CH
=
I
cHs
elimination,addition
equation
+
CHy-CH3
CH3
CH-G-B.
ir?
CH-c
CH3CH=CHCH3
*NEN:
(CH3)s CY
<>
-
-
of electrons in each
movement
the
CH3
C)
addition
O
-I
CH
additioned
or
"XY X
-
-
ob
atomifcormabor,
substantand
as
+
-
notes
·
CH3
bond dissociation energy
needed to evenly
-energy
breadcovalent.Doit
DH
·
=
bond dissociation
energy
H-0H
a)
248. IDK
->
·
·
DH) endothermic
=
DHE) exothermic
=
stronger bond:higher
·
(breaking bonds)
(forming
bond
bonds)
dissociation
energy
·
6.5)
...
Determine which bond
H-C1
as
in
b)CHz-OH
H-Br
or
-5
17
each pair has the
H-Br
can
be
e
to
converted
to
a) Label
each
t
A-B:endothermic
Which
rn
->
ryn
rxn
the
on
generates
A-C
the
to
states?
in
-
->
e) Label
start
energy"activation
->
the
for each
ran.
-> in green
f) Label
-> rxn
the
AH for
A-B: 1Ho()
each reaction
rn
exothermic
anterbranarianergyin
tin
of
top ill
graphs correspond
-> high
or
A-C: exothermic
->
points
points D! E
Which
↳ (CH3)zC 0
high
faster?
A-C
o which ran
->
is
to
endothermic
as
on
low
A-2:Atl(-)
CHa-OCH3
*
long
=
->
b)
or
short
Bor C
stronger bonds
-
energy
C) (CH3)1 &0
CHz-SH
↳ CH3-SH
6.11) Compound A
d)
bond dissociation
16
↳
enes
or
higher
shorter bonds
blow
6.23) For each
(1)
a)
rate
equation,
the concentration of
tripling
triples rate
b) tripling
triples
tripling
the
overall
have on the
rate
the
of
reaction?
CHzCH, Br only
-
or
only
otew
.
fast
·
CH3CH2Br and
by
factor of
a
-oH
·
rate
-
(CH), Ot
concentration of
·
ofr eactants
constant
small rate
constant
concentration of either reactants
doubling
doubles the rate of the
4 [(CH3)s COH]
the
4
large
runs
slow rxns=
·
6
=
doubling
↓ratconstant
Treactants]
rate:
concentration
reaction
concentration ofboth
increases rate
a)
change
reaction
of
rate
->
rate
of
concentration of
the
->
(2)
indicated concentration
=
->
c)
whateffectdoes the
k[CHzcH2Br] FOH]
rate
doubling
reactants
ran
the concentration
increases rate
both
of
by
a
factor of 4
reaction
doubles the rate of the
->
b)
increasing
the
6.24)
Write
a
equation for each
rate
a) CHzCHz Br
=
of
concentration
the rate of the run
-> increases
+
-OH
rxn,
given
CCHalsCOH by
by
the
a
factor of
factor of
10
indicated mechanism
Notes
CHe-CH
--
a
10
HeO
+
+
-
Br
·
equation
rate
one-step mechanism
in a
b)
(CH3)3C-Br
(CH3)2C-CHe
sow" (CH3s Ct
+H2O
·
rate
equation
terms for
Br
+
the
in
a
contains the concen
for all reactants involved
terms
contains the concen.
the
only
reactants
rate-determining
multistep
involved
step
in
reaction
Chapeestions
of
6.26) Classify
HO
a,
a
each transformation
OH
->
i
as
substitution, elimation,
or
addition
**
IY
,
,
"Y
d)
OH
1
-
-
-
-
-
-
6.27) Draw the
of
products
charges
in
a) homolysis
of
C) heterolysis
of homolysis/ heterolysis of each indicated
heterolysis
CH3-
of
-
reactions.
H
14
CH3FMgBr
Classify
bond. Use
electronegativity differences
each carbon reactive intermediate
heterolysis
b)
of
as
a
to
decide
on
the
radical, carbocation, or
CH-0pH
location
carbanion