Among the following pairs of reactions,in whi | vedclass

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(D) $S_{N^1}$ reaction rate depends on the following factors:$1$. Leaving group ability: $Br^-$ is a better leaving group than $Cl^-$,so the second re

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All of these

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(D) $S_{N^1}$ reaction rate depends on the following factors:$1$. Leaving group ability: $Br^-$ is a better leaving group than $Cl^-$,so the second reaction in option $A$ is faster.$2$. Solvent polarity: $H_2O$ has a higher dielectric constant than $CH_3OH$,which stabilizes the carbocation intermediate more effectively,making the second reaction in option $B$ faster.$3$. Substrate concentration: The rate of $S_{N^1}$ is proportional to the concentration of the substrate. $A$ higher concentration $(2 \ M)$ in the second reaction makes it faster than the first $(1 \ M)$ in option $C$.Therefore,all pairs satisfy the condition.

Among the following pairs of reactions,in which pair is the second reaction more reactive than the first in an $S_{N^1}$ reaction?

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