MCQ
Identify $A$ in the given chemical reaction,


- A

- B

- ✓

- D








Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$4M + 8CN^-+ 2H_2O + O_2 \rightarrow 4[M(CN)_2]^-+ 4OH^-$
$2[M(CN)_2]^-+ Zn \rightarrow [Zn(CN)_4]^{2-} + 2M$
