NEET 2017 Question Paper - Code B - Mock Test

The reason for greater range of oxidation states in actinoids is attributed to:

The most suitable method of separation of $1:1$ mixture of ortho and para-nitrophenols is:

The correct order of the stoichiometries of $\text{AgCl}$ formed when ${\text{AgNO}}_3$ in excess is treated with the complexes: ${\text{CoCl}}_3\cdot 6{\text{NH}}_3,{\text{CoCl}}_3\cdot 5{\text{NH}}_3,{\text{CoCl}}_3\cdot 4{\text{NH}}_3$ respectively is:

Correct increasing order for the wavelengths of absorption in the visible region for the complexes of ${\text{Co}}^{3+}$ is:

Which one is the most acidic compound?