MCQ
Acetone can be converted into pinacol by :
- ✓$Mg/Hg/H_2O$
- B$Zn/Hg/HCl$
- C$Na/Hg/H_2SO_4$
- DAll of these

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Reason : In the presence of a more volatile liquid solute, only the solute will form the vapours and solvent will not.

$(I)\, [Co(NO_2)_3(NH_3)_3]$
$(II)$ cis $-[ RhCl_2 (NH_3)_4]^+$
$(III)\, [Cr(OX)_3]^{-3}$
$(IV)$ cis $ -[PtCl_2 (en)]$
$(V)$ trans $-[Cr(en)_2 Br_2]^+$
$(VI)$ cis $-[Cr(en)_2 Br_2]^+$