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प्रश्न
Which of the following compound will not undergo azo coupling reaction with benzene diazonium chloride?
विकल्प
Aniline
Phenol
Anisole
Nitrobenzene
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उत्तर
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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संबंधित प्रश्न
Write a short note on the following:
Coupling reaction
Illustrate the following reactions giving suitable example in each case
Coupling reaction
Write equations of the following reactions:
Coupling reaction
The product of the following reaction is:
(i)
(ii)
(iii)
(iv)
Which of the following reactions belong to electrophilic aromatic substitution?
(i) Bromination of acetanilide
(ii) Coupling reaction of aryldiazonium salts
(iii) Diazotisation of aniline
(iv) Acylation of aniline
Under what reaction conditions (acidic/basic), the coupling reaction of aryldiazonium chloride with aniline is carried out?
Benzenediazonium chloride reacts with phenol to give p-hydroxy azobenzene, an orange dye. This reaction is known as ______.
When benzene diazonium chloride reacts with phenol, it forms a dye. This reaction is called ______.
