CrO is basic but $\mathrm{Cr}_2 \mathrm{O}_3$ is amphoteric.

Nitrite is oxidised to nitrate in acidic medium by $\mathrm{KMnO}_4$.

$\mathrm{PdCl}_2$ is the catalyst in Wacker process.

The reactivity of the earlier members of lanthanide series is similar to that of aluminium.

5

4

6

3

Both statement-I and Statement-II are correct.

Statement-I is correct, but Statement-II is not correct.

Statement-I is not correct, but Statement-II is correct.

Both statement-I and Statement-II are not correct.

A-II, B-I, C-III

A-III, B-I, C-II

A-I, B-II, C-III

A-I, B-III, C-II