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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