Read the following passage and answer questions
Greater is the stability of the substituted ammonium cation, stronger should be the corresponding amine as a base. Thus, the order of basicity of aliphatic amines should be :
primary > secondary > tertiary, which is opposite to the inductive effect based order.

Secondly, when the alkyl group is small, like -CH3 group, there is no steric hinderance to H- bonding. In case the alkyl group is bigger than -CH3 group, there will be steric hinderance to H-bonding. Therefore, the change of nature of the alkyl group, e.g., from -CH3 to -C2H5 results in change of the order of basic strength. Thus, there is a subtle interplay of the inductive effect, solvation effect and steric hinderance of the alkyl group which decides the basic strength of alkyl amines in the aqueous medium.