Question

Which one of the following reactions proceeds through free radical chain mechanism?

• A. Addition of $HBr$ on ethene
• B. Halogenation of benzene in the presence of $FeBr_3$
• C. Photochemical chlorination of methane
• D. Hydrolysis of tert-butyl chloride with aqueous $KOH$

Answer 1

Answer: (C)

Photochemical chlorination of methane

Answer 2

Thus, photochemical chlorination of methane proceeds via free radical chain mechanism.