A solution of `(+)`-2-chloro-2-phenyl ethane in toluene racemises slowly in the presence of small amount of `SbCl_(5)`, due to the formation of:

A solution of `(+)`-2-chloro-2-phenyl ethane in toluene racemises slowly in the presence of small amount of `SbCl_(5)`, due to the formation of:
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A solution of `(+)`-2-chloro-2-phenyl ethane in toluene racemises slowly in the presence of ... carbanion B. carbene C. free radical D. carbocation
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A solution of (-l)- chloro -1 phenyletane in toluene recemises slowly in the presence of a small amunt of `SbCI_(5)` due to the formation of .

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