Q. Assertion: Hydrogen resembles both, alkali metals as well as halogens.
Reason : Hydrogen forms oxides, halides and sulphides, and exists as diatomic molecule.

 2020  220 Hydrogen Report Error

Solution:

Hydrogen resembles both alkali metals as well as halogens. This is because hydrogen-like alkali metals donate its' outer electron to form compounds like oxides, halides & sulfides. Also, it shares its' electron with another hydrogen atom to form a diatomic molecule.