Jee Advanced
Coordination Compounds
IIT-JEE 2006
MCQ+3 / -12006
The coordination of \(\mathrm{Ni^2+}\) is 4.
\(\mathrm{NiCl_2+KCN}\) (excess) \(\to\) A (cyano complex)
\(\mathrm{NiCl_2+ conc.~HCl}\) (excess) \(\to\) B (chloro complex)
The IUPAC names of \(\mathbf{A}\) and \(\mathbf{B}\) are