Four compounds are displayed. $\text{C}_2\text{H}_4$\quad $\text{C}_2\text{H}_5\text{OH}$\quad $\text{CH}_3\text{CHO}$\quad $\text{CH}_3\text{CO}_2\text{H}$ What number of these compounds has an odd number of $\sigma$ bonds?
- A1
- B2
- C3
- D4
Chemistry 9701 · AS & A Level · Chemical bonding
Four compounds are displayed. $\text{C}_2\text{H}_4$\quad $\text{C}_2\text{H}_5\text{OH}$\quad $\text{CH}_3\text{CHO}$\quad $\text{CH}_3\text{CO}_2\text{H}$ What number of these compounds has an odd number of $\sigma$ bonds?