MCQ
Which is most reactive for $SN^1$
- ✓

- B

- C

- D






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The Gibbs free energy change for the above reaction at $298\, K$ is $x \times 10^{-1} \,k\,J\, mol ^{-1}$;
The value of $x$ is ..... [nearest integer]$\left [\text { Given : } E _{ Cu ^{2} / / Cu }=0.34\, V ; E _{ Sn ^{2} / Sn }^{\ominus}=-0.14 \,V ; F=96500\, C\, mol ^{-1}\right]$
$\begin{array}{l}
Mg(s) + 2A{g^ + } \to M{g^{ + 2}} + 2Ag(s)\\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{(0}}{\rm{.0001M) (0}}{\rm{.100M)}}
\end{array}$
If $E_{cell}^o = 3.17\,V$