
Identify compound $\mathrm{X}$ in the following reaction.

- $\left(\mathrm{C}_2 \mathrm{H}_5\right)_3-\mathrm{N}$
- $\mathrm{C}_2 \mathrm{H}_5-\mathrm{NH}_2$
- $\left(\mathrm{C}_2 \mathrm{H}_5\right)_2-\mathrm{NH}$
- $\mathrm{CH}_3-\mathrm{NH}-\mathrm{C}_2 \mathrm{H}_5$
Asked in: MHT CET 2022 (06 Aug Shift 2)