MCQ
Clemmensen reductant is :
- A$LiAIH _4$
- B$NaBH _4$
- CNa and $C _2 H _5 OH$
- ✓$Zn / Hg$ and Conc. HCl
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$(A)$ ${SO}_{3}$ $(B)$ ${NO}_{3}^{-}$ $(C)$ ${PCl}_{3}$ $(D)$ ${CO}_{3}^{2-}$