Question

Iodination of alkane is carried out in the presence of

• A. Alcohol
• B. $HNO_3$ or $HIO_3$
• C. Any reducing agent
• D. Benzene

Answer 1

Answer: (B)

$HNO_3$ or $HIO_3$

Answer 2

Oxidising agents like $HNO_3$ or $HIO_3$ are used to oxidise $HI$ otherwise $5HI + HIO_3 {->}I_2 + 3H_2O$ The reaction would be reversible.