1.

Although trimethylamine and n-propylamine have the same molecular weight, the former boils at a lower temperature (276 K) than the latter (322 K). Explain.

Answer»

SOLUTION :n-Propylamine has two H-atoms on the N-atom and HENCE undergoes intermolecular H-bonding thereby raising its boiling point. TRIMETHYLAMINE, `(CH_(3))_(3)N` being a `3^(@)` amine does not have a H-atom on the N-atom. As a result, it does not undergo H-bonding and hence its boiling point is LOW.


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