Question

Replacement of diazo group by other groups is helpful in preparing those substituted aromatic compounds which cannot be prepared by:

• A. direct elimination
• B. replacement reaction
• C. direct substitution
• D. addition reaction

Answer 1

The correct option is C direct substitution

Replacement of diazo group by other group is helpful in preparing compounds which are not/ cannot be produced by direct nuclephilic substitution reaction This is because,

Refer to Image

to substitute in aromatic ring, the nuclephilic should leave the partial double bond, which is more energy required than in haloalkane.