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Why does intr...

Question

Why does intramolecular hydrogen bonding decrease the boiling point of the compound?

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Solution

Intramolecular hydrogen bonding decreases the boiling point.
Intramolecular hydrogen bonding occurs in two atoms of same molecule.
It decreases the melting and boiling point because of chelation.
Intramolecular hydrogen bonding forms a ring structure called as chelates.
During chelation molecule behave like a monomer and therefore easy to volatilize during intramolecular hydrogen bonding .

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