MCQ
Which of the following is true about given graphs $A$ and $B$ ?


- ✓$A \to S_{N^1} ,\,\,\,B \to S_{N^2}$
- B$A \to S_{N^2} ,\,\,\,B \to S_{N^1}$
- C$A$ & $B \to E_1$
- D$A$ & $B \to E_2$

Rate of $S_{N^2} \propto \, \frac{1}{steric\, crowding\, around\, reaction \,centre}$
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$\underset{I}{\mathop{C{{H}_{3}}-C{{H}_{2}}-N{{H}_{2}}}}\,$
$\underset{II}{\mathop{{{(C{{H}_{3}}C{{H}_{2}})}_{2}}NH}}\,$
$\mathop {{{(C{H_3}C{H_2})}_3}N}\limits_{II} $

$CuI_{(s)} + e^{\circleddash} \to Cu_{(s)} + I^{\circleddash}_{(aq)}$ ; $E^o = -0.17\, V$
$Zn^{+2}_{(aq)} + 2e^{\circleddash} \to Zn_{(s)}$ ; $E^o = -0.76\, V$