The reaction conditions leading to the best yield of `C_(2)H_(5)Cl` are

Options

A. `C_(2)H_(6)(excess)+CI_(2) overset(UVlight)rarr`
B. `C_(2)H_(6)(excess)+CI_(2) underset( "om temperature")overset(dark)rarr`
C. `C_(2)H_(6)(excess)+CI_(2)(excess) overset("UV light")rarr`
D. `C_(2)H_(6)+CI_(2)overset("UV light")rarr`

Answer

A

Explanation

Chlorination beyond monochlorination during the preparation of alkyl halides in presence of `UV` light can be suppressed by taking alkane in excess As it will happen in cae of (C ) and (d)
In (b) free readical substitution can t take place in dark