MCQ
Most reactive compound toward $S_{N^1}$ is
- A

- B

- C

- ✓







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$(i)$ ${A_2} \to A + A$ (fast)
$(ii)$ $A + {B_2} \to AB + B$ (slow)
$(iii)$ $A + B \to $ (fast)

The rate constants of the above reaction at $200 \,K$ and $300 \,K$ are $0.03 \,min ^{-1}$ and $0.05 \,min ^{-1}$ respectively. The activation energy for the reaction is $....J$ (Nearest integer)
(Given : In $10=2.3$
$R =8.3\,J\,K ^{-1}\, mol ^{-1}$
$\log 5=0.70$
$\log 3=0.48$
$\log 2=0.30$