MCQ
The $IUPAC$ name of the complex $Hg [Co(CNS)_4]$ is
- Amercury tetrathiocyanatocobaltate $(II)$
- Bmercury cobalttetrasulphocyano $(II)$
- Cmercury tetrasulphocyanidecobalt $(II)$
- Dtetrasulphocyantocobalt mercurate $(II)$
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$4M + 8CN^-+ 2H_2O + O_2 \rightarrow 4[M(CN)_2]^-+ 4OH^-$
$2[M(CN)_2]^-+ Zn \rightarrow [Zn(CN)_4]^{2-} + 2M$