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Question
Chemistry
The indicator that is obtained by coupling the diazonium salt of sulphanilic acid with N,N- dimethylaniline is:
Q. The indicator that is obtained by coupling the diazonium salt of sulphanilic acid with
N
,
N
−
dimethylaniline is:
3941
225
KEAM
KEAM 2002
Amines
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A
phenanthroline
14%
B
methyl orange
59%
C
methyl red
9%
D
phenolphthalein
18%
E
indigo
18%
Solution:
The reaction of diazotised sulphanilic acid and N, N-dimethyl aniline forms methyl orange as,