Assertion (A): p -nitroaniline is a weaker base than p -toluidine. Reason (R): The electron donating - NO_2 group in p -nitroaniline makes it a…

Assertion (A) : $\displaystyle p$-nitroaniline is a weaker base than $\displaystyle p$-toluidine. $\displaystyle \operatorname{Reason}(R)$ : The electron donating $\displaystyle -\mathrm{NO}_{2}$ group in $\displaystyle p$-nitroaniline makes it a weaker base.