If the rate of the reaction,R-CO-Z + Nu^- rig | vedclass

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Question

(A) The given reaction is a nucleophilic acyl substitution reaction. The rate of this reaction depends on the leaving group ability of $Z^-$. $A$ bett

Vedclass · Accepted Answer

$Cl$

Vedclass · Answer

(A) The given reaction is a nucleophilic acyl substitution reaction. The rate of this reaction depends on the leaving group ability of $Z^-$. $A$ better leaving group makes the reaction faster. The leaving group ability is inversely proportional to the basicity of the group. Among the given options,$Cl^-$ is the weakest base and thus the best leaving group. Therefore,the reaction is fastest when $Z = Cl$.

If the rate of the reaction,$R-CO-Z + Nu^- \rightarrow R-CO-Nu + Z^-$ is fastest,then $Z$ is

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