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Question
Chemistry
Which one of the following forms a green solid with nitrous acid?
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Q. Which one of the following forms a green solid with nitrous acid?
COMEDK
COMEDK 2008
Amines
A
Dimethylamine
19%
B
Dimethylaniline
43%
C
Methylamine
25%
D
Methylaniline
13%
Solution:
Aromatic tertiary amines undergo electrophilic substitution with nitrosonium ion at p-position of the phenyl ring to form green coloured p-nitrosoamines.