Benzenediazonium chloride does not react with .

Options

A. 2-Naphthol
B. toluene
C. N,N-dimethylaniline
D. Both (1) and (3)

Answer

B

Explanation

`ArN_(2)+` is a weak electrophile that undergoes diazo coupling only with rings activated by `OH, NH_(2) NHR` or `NR_(2)` There is no reaction with toluence as the substrate ring is insufficiently activated

Butter yellow is a dye once used to colour margarine Since it has been shown to be carcinogenic its use in food is no loger permitted
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