The IUPAC name of the complex -

$\left[\mathrm{Ag}{\left({\mathrm{H}}_2\mathrm{O}\right)}_2\right]\left[\mathrm{Ag}{\left(\mathrm{CN}\right)}_2\right]$ is

The order of energy absorbed which is responsible for the color of complexes

(A) ${\left[\mathrm{Ni}{\left({\mathrm{H}}_2\mathrm{O}\right)}_2(\mathrm{en}{)}_2\right]}^{2+}$

(B) ${\left[\mathrm{Ni}{\left({\mathrm{H}}_2\mathrm{O}\right)}_4\left(\mathrm{en}\right)\right]}^{2+}$ and

(C) ${\left[\mathrm{Ni}{\left(\mathrm{en}\right)}_3\right]}^{2+}$ is

Match List - I with List - II.

Choose the correct answer from the options given below.