Chemistry Coordination Compounds

Among the statements $(a-d)$ , the incorrect ones are:

The number of possible optical isomers for the complexes ${\mathrm{M}\mathrm{A}}_2{\mathrm{B}}_2$ with ${\mathrm{s}\mathrm{p}}^3$ and $\mathrm{d}\mathrm{s}\mathrm{p}{\mathrm{p}}^2$  hybridized metal atom, respectively is:

[Note: A and B are unidentate neutral and unidentate monoanionnic ligands, respectively]

The IUPAC name of the complex is $\left[\mathrm{P}\mathrm{t}{\left({\mathrm{N}\mathrm{H}}_3\right)}_2\mathrm{C}\mathrm{l}\left({\mathrm{N}\mathrm{H}}_2{\mathrm{C}\mathrm{H}}_3\right)\right]\mathrm{C}\mathrm{l}$ $\left[{\left({}_{}\right)}_{}\left({}_{}{}_{}\right)\right]$ is

The theory that can completely/properly explain the nature of bonding in $\left[\mathrm{N}\mathrm{i}(\mathrm{C}\mathrm{O}{)}_4\right]$ $\left[{}_{}\right]$ is

Three moles of AgCl get precipitated when one mole of an octahedral co-ordination compound with empirical formula CrCl?·3NH?·3H?O reacts with excess of silver nitrate. The number of chloride ions satisfying the secondary valency of the metal ion is ______.

The number of geometrical isomers possible in triamminetrinitrocobalt(III) is X and in trioxalatochromate(III) is Y. Then the value of X + Y is _______.

The type of hybridisation and magnetic property of the complex [MnCl?]³?, respectively, are:

The number of geometrical isomers found in the metal complexes [PtCl?(NH?)?], [Ni(CO)?], [Ru(H?O)?Cl?] and [CoCl?(NH?)?]? respectively are

Which one of the following metal complexes is most stable?

The number of stereoisomers possible for ${\left[Co{\left(ox\right)}_2\left(Br\right)\left(N{H}_3\right)\right]}^{2-}$  is…………

[ox = oxalate]