Chemistry 9701 · AS & A Level · Chemical bonding

Chemical bonding — practice question

The four compounds listed are $\text{C}_2\text{H}_4$, $\text{C}_2\text{H}_5\text{OH}$, $\text{CH}_3\text{CHO}$, and $\text{CH}_3\text{CO}_2\text{H}$. For how many of these compounds is the number of $\sigma$ bonds odd?

  • A1
  • B2
  • C3
  • D4

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