The complexes given below show:

The magnetic moment (in $\mu_{B}$) of $[Ni(dimethylglyoximate)_{2}]$ complex is closest to $......$

Which of the following complex ions is expected to absorb light in the visible region?

Which of the following does not have optical isomers?

Visible light will be absorbed by

Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers:
$(i)$ $K[Cr(H_2O)_2(C_2O_4)_2]$
$(ii)$ $[Co(en)_3]Cl_3$
$(iii)$ $[Co(NH_3)_5(NO_2)](NO_3)_2$
$(iv)$ $[Pt(NH_3)(H_2O)Cl_2]$