Answer and explanation

Correct answer: A. CO2

  1. Step 1: Carbon dioxide has two double bonds around the central carbon and no lone pairs, so it is linear.
  2. Step 2: Water is bent, ammonia is pyramidal and methane is tetrahedral.
Answer
CO2.
Why not the others: The other molecules have lone pairs or four bonding pairs that give different shapes.

Practise more Atomic structure and bonding.

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