A)
B)
C) Aniline on diazotisation in cold (at 0° to 5°C) give benzene diazonium chloride. This benzene diazonium chloride on coupling reaction with dimethyl aniline gives a coloured product i.e., p-(N, N-dimethyl) aminoazobenzene (azodye).
D)
Correct Answer: C
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