Assertion `:` Glycerol is purified by distilled under reduced pressure.
Reason `:` Glycerol is a trihydric alcohol.

Assertion Glycerol is purified by distillation under reduced pressure. Reason Glycerol is a trihydric alcohol.

Glycerol is a tertiary alcohol.

Why is impure glycerol purified by distillation under reduced pressure?

Assertion: Glycerol is purified by distillation under reduced pressure. Reason: Method of distillation under reduced pressure is used to purify liquids having very high boiling points and those, which decompose at or below their boiling points.

Discuss briefly distillation under reduced pressure