Question

Name the following

A vital gas that contains double bond

Answer 1

Vital gas:

Vital gas means a gas that is important for the survival of living organisms.

A double bond is formed when two atoms share two pairs of electrons.

Answer:

$\mathrm{O}::\mathrm{O}$Two oxygen atoms share two pairs of electron, thus forming a double covalent bond between them, $\mathrm{O}=\mathrm{O}$.

Hence, Oxygen gas is the vital gas that contains double bond.