Question

Compare hydrogen with the alkali metals on the basis of: Reaction with oxygen.

Answer 1

Both Hydrogen and alkali metal react with oxygen to form their oxides.

Alkali metals	Hydrogen
•Alkali metals (Li, Na etc.) react with oxygen vigorously to produce their respective oxide. •Formula of oxide is $X_{2}O$ •Reaction: 4Li + $O_2$→ ${2Li}_{2}O$	•Similarly, hydrogen reacts with oxygen with a pop sound to form its oxide. •Formula of oxide is $H_{2}O$ •Reaction: ${2H}_2$ + $O_2$ → ${2H}_{2}O$