Why alcohols have high boiling point

The hydroxyl groups in alcohol molecules are responsible for hydrogen bonding between the alcohol molecules. As greater energy is required to overcome these strong intermolecular forces, the melting points and boiling points of alcohols are higher than those of alkanes with a corresponding chain length

the number of hydroxyl groups increases is caused by a greater degree of hydrogen bonding between the molecules.

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5.6⋅10−^19  j

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