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Question
Which of the following compound will not undergo azo coupling reaction with benzene diazonium chloride?
Options
Aniline
Phenol
Anisole
Nitrobenzene
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Solution
Nitrobenzene
Explanation:
Diazonium cation is a weak electrophile and hence reacts with electron-rich compounds containing electron-donating groups such as \[\ce{^-OH, ^-NH2}\] and \[\ce{^-OCH3}\] groups and not with compounds containing electron-withdrawing groups such as \[\ce{^-NO2}\], etc.
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