The main product formed when ethylbenzene rea | vedclass

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Question

(B) The reaction of ethylbenzene with $Cl_2$ in the presence of light ($UV$ light) proceeds via a free radical mechanism.Light facilitates the homolyt

Vedclass · Accepted Answer

$1-$ Chloroethylbenzene

Vedclass · Answer

(B) The reaction of ethylbenzene with $Cl_2$ in the presence of light ($UV$ light) proceeds via a free radical mechanism.Light facilitates the homolytic cleavage of $Cl_2$ to form chlorine radicals $(Cl^{\bullet})$.These radicals abstract a hydrogen atom from the benzylic position (the carbon atom attached to the benzene ring) because the resulting benzylic radical is resonance-stabilized by the benzene ring.Therefore,the chlorine atom replaces a hydrogen atom at the benzylic carbon,resulting in $1-$chloroethylbenzene $(C_6H_5-CHCl-CH_3)$.

The main product formed when ethylbenzene reacts with $Cl_2$ in the presence of light is:

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