Among the following,the hydrolysis reaction t | vedclass

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(A) The rate of nucleophilic substitution reaction $(NSR)$ depends on the stability of the transition state or the nature of the $C-X$ bond.$A$. $C_{6

Vedclass · Accepted Answer

$C_{6}H_{5}Cl \xrightarrow{aq. NaOH} C_{6}H_{5}OH$

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(A) The rate of nucleophilic substitution reaction $(NSR)$ depends on the stability of the transition state or the nature of the $C-X$ bond.$A$. $C_{6}H_{5}Cl$ is an aryl halide. In aryl halides,the $C-Cl$ bond acquires partial double bond character due to resonance,making it very strong and difficult to break. Thus,it undergoes hydrolysis at the slowest rate.$B$. $CH_{3}CH_{2}Cl$ is a primary alkyl halide,which undergoes $S_{N}2$ reaction.$C$. $CH_{2}=CH-CH_{2}Cl$ is an allylic halide,which is highly reactive towards $S_{N}1$ or $S_{N}2$ due to resonance stabilization of the carbocation or transition state.$D$. $C_{6}H_{5}CH_{2}Cl$ is a benzyl chloride,which is highly reactive due to resonance stabilization of the benzyl carbocation.Therefore,the correct option is $A$.

Among the following,the hydrolysis reaction that takes place at the slowest rate is:

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