p-Block Elements · Chemistry · COMEDK

Given are $$\mathrm{H}_3 \mathrm{PO}_2, \mathrm{H}_3 \mathrm{PO}_3, \mathrm{H}_3 \mathrm{PO}_4$$ and $$\mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_7$$. Which...

The order of acidic strength of boron trihalides is

Give the correct order of acidity of

The cololur of CrO$$_4^{2-}$$ changes to Cr$$_2$$O$$_7^{2-}$$ is

Arrange the hydrides of group 15 in correct decreasing order of reducing nature.

When conc. H$$_2$$SO$$_4$$ is heated with P$$_2$$O$$_5$$, the acid is converted into