Direct iodination of benzene using is highly reversible due to the formation of hydroiodic acid (). Which type of reagent must be added to force the reaction to completion?

Question

Direct iodination of benzene using $I_2$ is highly reversible due to the formation of hydroiodic acid ($HI$). Which type of reagent must be added to force the reaction to completion?

Prashant Kotian · Accepted Answer

Correct answer: B. is a powerful reducing agent that rapidly converts iodobenzene back to benzene. Strong oxidizers like or must be added to consume the and convert it back into , driving the equilibrium forward.

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