CBSE 2023 · Region 1 · Set 2 · Q15 · 1 mark

Assertion (A) : $\displaystyle \left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{NH}$ is more basic than $\displaystyle \left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{3} \mathrm{~N}$ in aqueous solution. Reason (R) : In $\displaystyle \left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{NH}$, there is more steric hindrance and+I effect than $\displaystyle \left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{3} \mathrm{~N}$.

CBSE Class 12 Chemistry past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.