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Byju's Answer
Standard XII
Chemistry
Base Catalysed Hydrolysis of Esters
Ph - O||C - O...
Question
P
h
−
O
|
|
C
−
O
−
C
P
h
3
H
3
18
O
⊕
−
−−−
→
Product of this reaction is:
A
P
h
−
O
|
|
C
−
O
H
+
P
h
3
C
−
18
O
H
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B
P
h
−
O
18
|
|
C
−
O
H
+
P
h
3
C
−
O
H
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C
P
h
−
O
|
|
C
−
18
O
H
+
P
h
3
C
−
18
O
H
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D
P
h
−
O
|
|
C
−
18
O
H
+
P
h
3
C
−
O
H
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Solution
The correct option is
A
P
h
−
O
|
|
C
−
O
H
+
P
h
3
C
−
18
O
H
H
2
O
18
atacks
C
⊕
p
h
3
ions because it is highly stablised by resonance with phenyl group.
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Similar questions
Q.
P
h
−
O
−
C
H
2
−
P
h
+
H
I
→
Which of the following is formed in the above reaction?
Q.
P
h
−
C
|
H
O
H
−
O
|
|
C
−
O
H
Correct IUPAC naming of given acid is:
Q.
Which of the following compound can show Fehling's test?
(I)
P
h
−
N
H
−
O
H
(II)
P
h
−
C
H
O
(III)
H
−
O
|
|
C
−
O
H
(IV)
O
H
|
C
H
2
−
O
|
|
C
−
C
H
3
Q.
Identify the product obtained when following acid prolonged heating.
P
H
−
O
|
|
C
−
C
H
2
−
O
|
|
C
−
O
H
Q.
(i)
H
3
C
−
O
|
|
C
−
C
H
3
(ii)
H
3
C
−
O
|
|
C
−
C
H
2
−
O
|
|
C
−
C
H
3
(iii)
P
h
−
O
H
(iv)
H
3
C
−
O
|
|
C
−
O
H
Among the compounds the correct order of
p
K
a
values are:
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