question_answer

Best reagent for nuclear iodination of        aromatic compounds is                         

A) \[~KI/C{{H}_{3}}COC{{H}_{3}}\]     

B) \[{{I}_{2}}/C{{H}_{3}}CN\]                

C) \[KI/C{{H}_{3}}COOH\]      

D) \[{{I}_{2}}/HN{{O}_{3}}\]                 

Correct Answer: D

Solution :

 Best reagent for nuclear iodination of aromatic compounds is\[{{\text{I}}_{\text{2}}}\text{/HN}{{\text{O}}_{\text{3}}}\text{.}\]