question_answer

For the preparation of p-nitroiodobenzene from p-nitroaniline, the best method is         [Orissa JEE 2005]

A)                 \[NaN{{O}_{2}}/HCl\] followed by \[KI\].

B)                 \[NaN{{O}_{2}}/HCl\] followed by \[CuCN\]

C)                 \[LiAl{{H}_{4}}\] followed by \[{{I}_{2}}\]

D)                 \[NaB{{H}_{4}}\] followed by \[{{I}_{2}}\]

Correct Answer: A

Solution :

           p-nitrobenzene from p-nitroaniline.