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  4. The indicator that is obtained by coupling the diazonium salt of sulphanilic acid with N,N- dimethylaniline is:

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Q. The indicator that is obtained by coupling the diazonium salt of sulphanilic acid with $ N,N- $ dimethylaniline is:

KEAMKEAM 2002Amines

Solution:

The reaction of diazotised sulphanilic acid and N, N-dimethyl aniline forms methyl orange as,

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