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JEE Main Chemistry Class 12 Alcohols, Phenols and Ethers Part 1 Questions
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Question : 44
Total: 100
Which is the most suitable reagent for the following transformation?
CH
3
−
CH
=
CH
−
CH
2
−
OH
|
CH
−
CH
3
⟶
CH
3
−
CH
=
CH
−
CH
2
CO
2
H
[Jan. 10, 2019 (II)]
Tollen's reagent
I
2
∕
NaOH
CrO
2
Cl
2
∕
CS
2
alkaline
KMnO
4
Validate
Solution:
The most suitable reagent for the given reaction is
I
2
N
a
O
H
(Iodoform reaction).
C
H
3
−
C
H
=
C
H
−
C
H
2
−
C
H
|
O
H
−
C
H
3
I
2
∕
N
a
O
H
─
─
─
─
─
─
▶
C
H
3
C
H
=
C
H
−
C
H
2
=
C
|
O
−
C
H
3
I
2
∕
N
a
O
H
─
─
─
─
─
─
▶
C
H
3
−
C
H
=
C
H
−
C
H
2
−
C
|
|
O
−
O
N
a
+
C
H
3
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