Chemistry 9701 · AS & A Level · Chemical bonding

Chemical bonding — practice question

All four species in this question are isolated and gaseous. Which species is not planar?

  • A$\text{BF}_3$
  • B$\text{CH}_3^+$
  • C$\text{C}_2\text{H}_4$
  • D$\text{NH}_3$

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