Question

Conversion of chlorobenzene to phenol mechanism proceed by

Answer 1

Explanation:

Here the nucleophile −OH is substituted in place of −Cl. Hence the reaction is known as nucleophilic substitution

When chlorobenzene is heated with NaOH solution at 623K under 300 atm pressure, it forms sodium phenoxide which upon acidification gives phenol. The reaction is believed to occur via benzyne mechanism. Chlorobenzene forms benzyne by removal of H+ by the attack of base then removal Cl-.

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