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Q. In the free radical chlorination of methane, the chain initiating step involves the formation of

AIPMTAIPMT 1994Hydrocarbons

Solution:

$CH _{4}+ Cl _{2} \xrightarrow{\text { hv }} CH _{3} Cl$
Chain initiation step involves the fission of $Cl _{2}$ molecule into chlorine free radical.
$Cl _{2} \xrightarrow{h v }{\longrightarrow} Cl ^{\bullet}+ Cl ^{\bullet}$