Direct iodination of benzene with I2 alone gives very poor yields of iodobenzene, but the yield is good when a little co

Question

Direct iodination of benzene with I2 alone gives very poor yields of iodobenzene, but the yield is good when a little conc. HNO3 is added. The role of HNO3 is to

Accepted Answer

oxidise the HI formed, which would otherwise reduce iodobenzene back to benzene

Answer

convert benzene to nitrobenzene which is iodinated faster

Answer

act as a Lewis acid catalyst for I2

Answer

reduce I2 to I-

Direct iodination of benzene with $I X_{2}$ alone gives very poor yields of iodobenzene, but the yield is good when a little conc. $HNO X_{3}$ is added. The role of $HNO X_{3}$ is to

Answer: C

More questions on Preparation of alkyl and aryl halides

Direct iodination of benzene with IX2​ alone gives very poor yields of iodobenzene, but the yield is good when a little conc. HNOX3​ is added. The role of HNOX3​ is to

Answer: C

More questions on Preparation of alkyl and aryl halides

Direct iodination of benzene with $I X_{2}$ alone gives very poor yields of iodobenzene, but the yield is good when a little conc. $HNO X_{3}$ is added. The role of $HNO X_{3}$ is to