Reason : The alkyl groups donate electrons to the nitrogen atom by +I effect Among the amines, secondary amines are more basic than primary amines.
Reason: In secondary amines there are more alkyl groups so there is more electron density on the nitrogen atom as compared to the primary amine.
image$\xrightarrow{{A{c_2}O}}A\mathop {\xrightarrow{{B{r_2}}}}\limits_{C{H_3}COOH} B\mathop {\xrightarrow{{{H_2}O}}}\limits_{{H^ + }} C$ 


