Identify the statements which are not correct. i. $\quad \mathrm{CrO}_3$ and $\mathrm{Mn}_2 \mathrm{O}_7$…
Identify the statements which are not correct.
i. $\quad \mathrm{CrO}_3$ and $\mathrm{Mn}_2 \mathrm{O}_7$ are basic oxides
ii. $\mathrm{V}_2 \mathrm{O}_3$ and $\mathrm{V}_2 \mathrm{O}_4$ are acidic oxides
iii. $\mathrm{Cr}(\mathrm{VI})$ is more stable than $\mathrm{W}(\mathrm{VI})$