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 $\mathrm{W}(\mathrm{VI})$
  1. i, ii
  2. ii, iii
  3. i, iii
  4. $\mathrm{i}, \mathrm{ii}, \mathrm{iii}$

Solution

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Asked in: JEE-TOPICTESTS-CHEMISTRY

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