$ ext {In a } \mathrm{S}_{\mathrm{N}} 2 ext { substitution reaction of the type }$ $\mathrm{R}-\mathrm{Br}+\mathrm{Cl}^{-} \stackrel{\mathrm{OMF}}{\longrightarrow} \mathrm{R}-\mathrm{Cl}+\mathrm{Br}^{-}$ Which one of the following has the highest relative rate?

Question

$	ext {In a } \mathrm{S}_{\mathrm{N}} 2 	ext { substitution reaction of the type }$ $\mathrm{R}-\mathrm{Br}+\mathrm{Cl}^{-} \stackrel{\mathrm{OMF}}{\longrightarrow} \mathrm{R}-\mathrm{Cl}+\mathrm{Br}^{-}$ Which one of the following has the highest relative rate?

Aicharya · Accepted Answer

For $\mathrm{S}_{\mathrm{N} 2}$ reaction, there should be low steric hinderance for better reactivity.

$\text {In a } \mathrm{S}_{\mathrm{N}} 2 \text { substitution reaction of the type }$…

Solution