31. The solubility product $\left( K _ { s p } ; \mathrm { mol } ^ { 3 } \mathrm { dm } ^ { - 9 } \right)$ of $\mathrm { MX } _ { 2 }$ at 298 K based on the information available for the given concentration cell is (take $2.303 \times \mathrm { R } \times 298 / \mathrm { F } = 0.059 \mathrm {~V}$ )\\
(A) $1 \times 10 ^ { - 15 }$\\
(B) $4 \times 10 ^ { - 15 }$\\
(C) $1 \times 10 ^ { - 12 }$\\
(D) $4 \times 10 ^ { - 12 }$

\section*{ANSWER : B}
\begin{enumerate}
  \setcounter{enumi}{31}
  \item The value of $\Delta G \left( \mathrm {~kJ} \mathrm {~mol} ^ { - 1 } \right)$ for the given cell is (take $\left. 1 \mathrm {~F} = 96500 \mathrm { C } \mathrm { mol } ^ { - 1 } \right)$\\
(A) - 5.7\\
(B) 5.7\\
(C) 11.4\\
(D) - 11.4
\end{enumerate}

\section*{ANSWER : D}
\section*{Paragraph for Questions 33 and 34}
In the following reaction sequence, the compound $\mathbf { J }$ is an intermediate.\\
\includegraphics[max width=\textwidth, alt={}, center]{4e050d28-8dd5-4115-bb8a-1c7b16f3381f-18_216_855_469_197}

J $\left( \mathrm { C } _ { 9 } \mathrm { H } _ { 8 } \mathrm { O } _ { 2 } \right)$ gives effervescence on treatment with $\mathrm { NaHCO } _ { 3 }$ and a positive Baeyer's test.\\