Identify the compound from following having lowest boiling point.
- $\mathrm{n}-\mathrm{C}_4 \mathrm{H}_9 \mathrm{NH}_2$
- $\mathrm{C}_2 \mathrm{H}_5 \mathrm{CH}\left(\mathrm{CH}_3\right)_2$
- $\mathrm{C}_2 \mathrm{H}_5 \mathrm{~N}\left(\mathrm{CH}_3\right)_2$
- $\left(\mathrm{C}_2 \mathrm{H}_5\right)_2 \mathrm{NH}$
Solution
Asked in: MHT CET 2021 (22 Sep Shift 1)