MCQ
Select the gas-phase reaction$(s)$ which can proceed spontaneously ?
- A$C{l^ - } + I \to {I^ - } + Cl$
- B$S{i^ + } + Cl \to Si + C{l^ + }$
- CBoth $(A)$ and $(B)$
- ✓$Kr + H{e^ + } \to K{r^ + } + He$
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The product formed is

$\mathop {Ph - OH}\limits_{(A)} ,\,\,\,\,\mathop {Ph - C{H_2} - OH}\limits_{(B)} ,\,\,\,\,\mathop {Ph - C{O_2}H}\limits_{(C)} ,\,\,\,\mathop {Ph - C{H_2}-\mathop N\limits^ \oplus {H_3}}\limits_{(D)} $
$2NO + Br \to 2NOBr$ is
$NO + Br_2 \rightleftharpoons NOBr_2$ (Fast)
$NOBr_2 + NO \to 2NOBr$ (Slow)
The rate law expression is