MCQ
The most suitable reagent for the following conversion is


- A$Na/lquid\; NH_{3}$
- ✓$\mathrm{H}_{2}, \mathrm{Pd} / \mathrm{C},$ quinoline
- C$Zn/HCl$
- D$\mathrm{Hg}^{2+} / \mathrm{H}^{+}, \mathrm{H}_{2}O$


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$(a)\, \Delta U = 0$
$(b)\, q = 0$
$(c)\, \Delta T = 0$
$(d)\,q = 2.303\,nRT\,{\log _{10}}\,\left( {\frac{{{V_2}}}{{{V_1}}}} \right)$
$\begin{array}{*{20}{c}}
{{H_3}C - C - O - C - C{H_2} - O - C{H_3}} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$

$(A)$ $B$ $(B)$ $B _2 H _6$ $(C)$ $B _2 O _3$ $(D)$ $HBF _4$