Chemistry 9701 · AS & A Level · Chemical bonding

Chemical bonding — practice question

Dicarbon monoxide, $\text{C}_2\text{O}$, occurs in dust clouds in space. Study of this substance shows that the atoms in this molecule are arranged as $\text{C}-\text{C}-\text{O}$. Every bond is a double bond and there are no unpaired electrons. How many lone pairs of electrons are in a molecule of $\text{C}_2\text{O}$?

  • A$1$
  • B$2$
  • C$3$
  • D$4$

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