These are the options for the question :Arrange the following in the increasing order of their boiling points: A : Butanamine, B: N,N-Dimethylethanamine, C: N- Etthylethanaminamine a. C<B<A b. A<B<C c. A<C<B d. B<C<A The correct answer is -d. B<C<A In primary amine intermolecular association due to H-bonding is maximum while in tertiary it is minimum.