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13.14     Give a plausible explanation for each of the following:

                    (ii) Why do primary amines have a higher boiling point than tertiary amines?

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The extent of inter-molecular hydrogen bonding in primary amines is higher than the secondary amines. Secondary amine has only one hydrogen, and tertiary amines have no hydrogen atom for inter-molecular hydrogen bonding whereas primary amine has two hydrogen atom available for inter-molecular hydrogen bonding. And we know that higher the extent of hydrogen bonding, higher is the boiling point.

                         

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manish

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