Chemistry

Match the following

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]

Consider the following reactions:

Which of these reactions are possible?

Consider the following reaction:

The product ' $$ ' is used

The equation that is incorrect is

1-methyl ethylene oxide when treated with an excess of $$ , produces

Which of the following statements is correct?

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

In the following reaction sequence

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