High yield of aryl halide is formed in

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(B) The $Sandmeyer$ reaction is a well-known and efficient method for the synthesis of aryl halides from primary aromatic amines via diazonium salts.

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$Sandmeyer$ reaction

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(B) The $Sandmeyer$ reaction is a well-known and efficient method for the synthesis of aryl halides from primary aromatic amines via diazonium salts. It provides a high yield of aryl halides compared to other methods like the direct halogenation of benzene (which often leads to poly-substitution) or the reaction of phenol with $PCl_5$ (which gives poor yields of chlorobenzene). Therefore,the $Sandmeyer$ reaction is the most suitable for obtaining a high yield of aryl halides.

Similar Questions

Which of the following are intermediates in the Sandmeyer reaction?
$(i)$ $C_6H_5N^{+} \equiv NCl^{-}$
$(ii)$ $C_6H_5N^{+} \equiv N$
$(iii)$ $\overset{\centerdot }{C}_6H_5$
$(iv)$ $C_6H_5Cl$

The compound from which chlorobenzene cannot be prepared easily is

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Describe the preparation of aryl halides from aromatic hydrocarbons and from amines via the Sandmeyer reaction.

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