List of top Chemistry Questions on GROUP 1 ELEMENTS asked in JEE Advanced

The compound(s) formed upon combustion of sodium metal in excess air is (are)

$ MgSO_4 $ on reaction with $ NH_4OH $ and $ Na_2HPO_4 $ forms a white crystalline precipitate. What is its formula?

A sodium salt of an unknown anion when treated with $ MgCl_2 $ gives white precipitate only on boiling. The anion is

Highly pure dilute solution of sodium in liquid ammonia

Sodium nitrate decomposes above $ \approx; 800^\circ C $ to give

Hydrolysis of one mole of peroxodisulphuric acid produces

A dilute aqueous solution of $ Na_2SO_4 $ is electrolysed using platinum electrodes. The products at the anode and cathode are respectively

The oxidation state of the most electronegative element in the products of the reaction. $ BaO_2 $ with dil, $ H_2SO_4 $ are

When zeolite, which is hydrated sodium aluminium silicate, is treated with hard water, the sodium ions are exchanged with

A solution of sodium sulphate in water is electrolysed using inert electrodes. The products at cathode and anode are respectively

Molecular formula of Glauber's salt is

Nitrogen dioxide cannot be obtained by heating

The oxide that gives $ H_2O_2 $ on treatment with a dilute acid is

Heavy water is

A solution of sodium metal in liquid ammonia is strongly reducing due to the presence of

The temporary hardness of water is due to calcium bicarbonate can be removed by adding