A solution of 1-chloro-1-phenylethane in tolu | vedclass

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(C) The reaction involves the ionization of $1$-chloro-$1$-phenylethane in the presence of the Lewis acid $SbCl_5$. $SbCl_5$ acts as a catalyst by abs

Vedclass · Accepted Answer

Carbocation

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(C) The reaction involves the ionization of $1$-chloro-$1$-phenylethane in the presence of the Lewis acid $SbCl_5$. $SbCl_5$ acts as a catalyst by abstracting the chloride ion to form a stable planar carbocation intermediate: $C_6H_5-CH^+(CH_3)$. Since the carbocation is $sp^2$ hybridized and planar,the nucleophile (chloride ion) can attack from either side with equal probability,leading to the formation of a racemic mixture. Therefore,the racemization occurs due to the formation of a carbocation.

$A$ solution of $1$-chloro-$1$-phenylethane in toluene undergoes direct racemization in the presence of a small amount of $SbCl_5$ due to the formation of:

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