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Byju's Answer
Standard XII
Chemistry
Base Catalysed Hydrolysis of Esters
CH 3 CH 2 CH ...
Question
C
H
3
C
H
2
C
H
2
C
l
H
3
C
−
C
≡
_
C
N
a
+
−
−−−−−−−−−
→
C
H
3
C
H
2
C
H
2
−
C
≡
C
−
C
H
3
State whether the above reaction is correct or not.
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Solution
Here a stable nucleophile replaces halogen and
C
H
3
C
H
2
C
H
2
C
l
H
3
C
−
C
≡
_
C
N
a
+
−
−−−−−−−−−
→
C
H
3
C
H
2
C
H
2
−
C
≡
C
−
C
H
3
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0
Similar questions
Q.
In the given reaction
C
H
3
−
O
|
|
C
−
O
−
C
H
3
|
C
|
C
H
3
−
C
H
3
N
a
/
C
2
H
5
O
H
−
−−−−−−−
→
(
X
)
+
(
Y
)
[
X
]
a
n
d
[
Y
]
respectively be:
(
a
)
C
H
3
−
C
H
2
−
O
H
a
n
d
C
H
3
−
C
H
3
|
C
|
C
H
3
−
O
H
(
b
)
C
H
3
−
C
H
2
−
O
H
a
n
d
C
H
3
−
C
|
C
H
3
=
C
H
2
(
c
)
C
H
2
=
C
H
2
a
n
d
C
H
3
−
C
H
3
|
C
|
C
H
3
−
O
H
(d) all the above
Q.
Which of the following reaction is example of
S
N
2
reaction using
c
o
n
c
.
H
C
l
:
(
a
)
C
H
3
−
C
H
2
−
O
H
A
n
h
y
Z
n
C
l
2
/
△
−
−−−−−−−−
→
C
H
3
−
C
H
2
−
C
l
(
b
)
C
H
3
−
C
H
3
|
C
|
C
H
3
−
C
H
2
O
H
A
n
h
y
Z
n
C
l
2
/
△
−
−−−−−−−−
→
C
H
3
−
C
H
1
|
C
|
C
H
3
−
C
H
2
−
C
H
3
(
c
)
C
H
3
−
O
H
|
C
|
C
H
3
−
C
H
3
A
n
h
y
Z
n
C
l
2
/
△
−
−−−−−−−−
→
C
H
3
−
C
l
|
C
|
C
H
3
−
C
H
3
(
d
)
C
H
2
=
C
H
−
C
H
2
−
O
H
A
n
h
y
Z
n
C
l
2
/
△
−
−−−−−−−−
→
C
H
2
=
C
H
−
C
H
2
−
C
l
Q.
What is the correct order of stability for above carbocations?
C
H
3
−
O
(
A
)
−
+
C
H
2
,
C
H
3
−
N
H
(
B
)
−
+
C
H
2
,
C
H
3
−
S
(
C
)
−
+
C
H
2
Q.
Select the member of each pair that shows faster rate of
S
N
2
reaction with
K
I
in acetone.
(a)
C
H
3
−
C
H
2
−
C
H
2
−
C
H
2
−
C
l
a
n
d
C
H
3
−
C
H
∣
C
H
3
−
C
H
2
−
C
l
(
I
)
(
I
I
)
(b)
C
H
3
−
C
H
2
−
C
H
2
−
C
l
a
n
d
C
H
3
−
C
H
2
−
C
H
2
−
B
r
(
I
)
(
I
I
)
(c)
C
H
3
−
C
H
∣
C
H
3
−
C
H
2
−
C
H
2
−
C
l
a
n
d
C
H
3
−
C
H
3
∣
C
∣
C
H
3
−
C
H
2
C
l
(
I
)
(
I
I
)
(d)
C
H
3
−
C
H
2
−
C
H
2
−
B
r
∣
C
H
−
C
H
3
a
n
d
C
H
3
−
C
H
3
∣
C
H
−
C
H
2
−
B
r
∣
C
H
−
C
H
3
(
I
)
(
I
I
)
Q.
IUPAC name of given compound:
C
H
3
−
C
H
2
−
C
H
2
−
C
H
2
−
C
H
|
C
H
3
−
C
|
C
H
3
−
C
H
3
−
C
H
2
−
C
H
3
|
C
H
−
C
H
2
−
C
H
2
−
C
H
2
−
C
H
3
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