Aldehydes have lower boiling points than the corresponding alcohols. Explain.

Branched chain alkanes have lesser boiling point than straight chain alkanes. Explain.

Noble gases have low boiling points. Explain.

PH_3 has lower boiling point than NH_3 . Why?

Why alcohols are higher boiling point compounds than hydrocarbons ethers and aldehydes of corresponding molecular masses but have low boiling point than corresponding acids ?