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10.17     Out of C_{6}H_{5}CH_{2}Cl  and C_{6}H_{5}CHCl C_{6}H_{5} , which is more easily hydrolysed by aqueous KOH.

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Hydrolysis by KOH will take place by the formation of a carbocation in its rate-determining step. So the compound having stable carbocation will hydrolyse faster.

The carbocations of both the compounds are given below:-

            

It is clear that carbocation of C_{6}H_{5}CHCl C_{6}H_{5} is more stable. 

Hence  C_{6}H_{5}CHCl C_{6}H_{5} will hydrolyse faster than C_{6}H_{5}CH_{2}Cl.

Posted by

Devendra Khairwa

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