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Byju's Answer
Standard XII
Chemistry
Alcohols as Nucleophiles and Electrophiles
Which of the ...
Question
Which of the following will not perform iodoform reaction?
A
C
H
3
C
O
C
H
2
C
H
3
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B
C
H
3
C
O
N
H
2
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C
C
6
H
5
C
O
C
H
3
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D
C
H
3
C
H
O
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Solution
The correct option is
C
C
H
3
C
O
N
H
2
C
H
3
−
C
O
−
group is a must for Haloform reactions.
Compound with this group only can give Haloform reactions.
Acid or its derivatives like
C
H
3
C
O
N
H
2
, ester, anhydride do not give haloform test because they have resonance.
The amide group will interfere with the leaving of
C
H
I
3
and so, a positive test is not expected in this case.
Option B is correct.
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Similar questions
Q.
Which of the following compounds will give a positive iodoform test?
A.
C
2
H
5
O
H
B.
C
H
3
C
H
O
C.
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D.
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Q.
P
h
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,
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=
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(
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ref. image.
Find the total number of compounds which will not give yellow precipitate of iodoform when heated with
I
2
and alkali?
Q.
Which of the following does not give iodoform reaction ?
Q.
Which one of the following does not undergo iodoform reaction?
Q.
Which of the following will not give iodoform test
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