Coordination Compounds

The correct statements from following are: A. The strength of anionic ligands can be explained by crystal field theory. B. Valence bond theory does not give a quantitative interpretation of kinetic stability of coordination compounds. C. The hybridization involved in formation of $\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$ complex is $\mathrm{dsp}^2$. D. The number of possible isomer(s) of cis- $\left[\mathrm{PtCl}_2(\mathrm{en})_2\right]^{2+}$ is one Choose the correct answer from the options given below: