The correct set that contains all kinds (basic, acidic, amphoteric and neutral) of oxides is :

Given below are two statements :

Statement I: The second ionization enthalpy of B, Al and Ga is in the order of B > Al > Ga.

Statement II: The correct order in terms of first ionization enthalpy is Si < Ge < Pb < Sn.

In the light of the above statements, choose the correct answer from the options given below :

Given below are two statements :

Statement I : Among Zn, Mn, Sc and Cu, the energy required to remove the third valence electron is highest for Zn and lowest for Sc.

Statement II : The correct order of the following complexes in terms of CFSE is $[\text{Co(H}_2\text{O})_6]^{2+} < [\text{Co(H}_2\text{O})_6]^{3+} < [\text{Co(en)}_3]^{3+}$.

In the light of the above statements, choose the correct answer from the options given below :

Which of the following complexes will show coordination isomerism?

A. $[\mathrm{Ag(NH}_3)_2][\mathrm{Ag(CN)}_2]$

B. $[\mathrm{Co(NH}_3)_6][\mathrm{Cr(CN)}_6]$

C. $[\mathrm{Co(NH}_3)_6][\mathrm{Co(CN)}_6]$

D. $[\mathrm{Fe(NH}_3)_6][\mathrm{Co(CN)}_6]$

E. $[\mathrm{Co(NH}_3)_6][\mathrm{Fe(CN)}_6]$

Choose the correct answer from the options given below: