The coordination number of $\mathrm{Ni}^{2+}$ is 4 .
$\mathrm{NiCl}_2+\mathrm{KCN}$ (excess) $\right

Question

The coordination number of $\mathrm{Ni}^{2+}$ is 4 .
$\mathrm{NiCl}_2+\mathrm{KCN}$ (excess) $\rightarrow A$ (cyano complex)
$A+$ conc. HCl (excess) $\rightarrow B$ (chloro complex)

Professor PC Thomas Classes · Answer

See detailed solution for explanation.