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Byju's Answer
Standard XII
Chemistry
Nucleophile
Which H atom ...
Question
Which H atom in the following ester is most acidic?
1
C
H
3
−
1
C
H
2
−
O
|
|
C
−
3
C
H
2
−
O
|
|
C
−
O
−
C
4
H
2
5
C
H
3
A
1
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B
2
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C
3
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D
4
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Solution
The correct option is
C
3
(
3
C
H
2
)
is most acidic due to two electron-withdrawing (C = O) groups.
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0
Similar questions
Q.
Arrange the following compounds in the order of their acidic strengths:
C
H
3
−
C
|
|
O
−
C
H
3
I
C
H
3
−
C
|
|
O
−
C
|
|
O
−
C
H
3
I
I
C
H
3
−
C
|
|
O
−
C
H
2
−
C
|
|
O
−
C
H
3
I
I
I
Q.
Which is the most suitable reagent for the following conversion?
C
H
3
−
C
H
=
C
H
−
C
H
2
−
O
|
|
C
−
C
H
3
→
C
H
3
−
C
H
=
C
H
−
C
H
2
−
O
|
|
C
−
O
H
Q.
Arrange in their increasing order of equilibrium constants for hydration.
C
H
3
−
O
|
|
C
−
C
H
3
(
A
)
,
C
H
3
−
O
|
|
C
−
H
(
B
)
,
C
H
3
−
O
|
|
C
−
C
H
2
−
C
l
(
C
)
,
H
−
O
|
|
C
−
H
(
D
)
,
C
l
−
C
H
2
−
O
|
|
C
−
H
(
E
)
Q.
Consider following compounds and write total number of compounds which are less reactive than formaldehyde toward nucleophilic addition reaction.
C
H
3
−
O
|
|
C
−
H
(
i
)
;
C
H
3
−
O
|
|
C
−
C
H
3
(
i
i
)
;
E
t
−
O
|
|
C
−
H
(
i
i
i
)
C
H
3
−
C
H
2
−
C
H
2
−
O
|
|
C
−
H
(
i
v
)
;
P
h
−
O
|
|
C
−
C
H
3
(
v
)
;
P
h
−
O
|
|
C
−
P
h
(
v
i
)
Q.
1.
C
H
3
−
C
H
2
−
O
|
|
C
−
C
H
2
−
C
H
3
2.
C
H
3
−
C
H
2
−
C
H
2
−
O
|
|
C
−
C
H
3
Write the structure of alkynes that give following ketones on hydration.
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