Which of the following is the best choice of reagents to effect the electrophilic iodination of an aromatic ring?

A) KI, acetone
B) I₂, CH₃CN
C) KI, HNO₃
D) I₂, HNO₃
E) none of the above

Electrophilic Iodination

A chemical reaction involving the addition of iodine to a substrate via an electrophilic attack.

Aromatic Ring

A stable, planar ring of carbon atoms interconnected by alternating single and double bonds, exhibiting delocalized π-electron cloud.

HNO3

Nitric acid, a highly corrosive and toxic strong acid used in the production of fertilizers, explosives, and in the production of other chemicals.