Chemistry 9701 · AS & A Level · Chemical bonding

Chemical bonding — practice question

Which line in the table is correct?

  • Aammonia molecule: pyramidal; ammonium ion: regular tetrahedral; bonds present - ammonia molecule: $\sigma$; ammonium ion: $\sigma$
  • Bammonia molecule: pyramidal; ammonium ion: regular tetrahedral; bonds present - ammonia molecule: $\sigma$; ammonium ion: $\pi$
  • Cammonia molecule: regular tetrahedral; ammonium ion: pyramidal; bonds present - ammonia molecule: $\sigma$; ammonium ion: $\sigma$
  • Dammonia molecule: regular tetrahedral; ammonium ion: pyramidal; bonds present - ammonia molecule: $\pi$; ammonium ion: $\sigma$

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