Presence of which reagent will affect the reversibility of the following reaction, and change it to a…

Presence of which reagent will affect the reversibility of the following reaction, and change it to a irreversible reaction :

CH4+I2⇌ReversiblehvCH3-I + HI

  1. HOCl
  2. dilute HNO2
  3. Liquid NH3
  4. Concentrated HIO3

Solution

Iodination of alkane is reversible reaction.
It can be irreversible in the presence of strong oxidising agent like conc. HNO3 or conc. HIO3

Asked in: JEE Main 2021 (27 Jul Shift 1)

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