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Question

Which of the following is not linear?
  1. CO2
  2. H2O
  3. HCN
  4. C2H2

A
CO2
B
HCN
C
H2O
D
C2H2
Solution
Verified by Toppr

CO2, HCN, C2H2 are linear in shape.
O=C=O,HCN,HCCH
H2O is bent or 'V' in shape.

Image result for h2o structure

So, the answer is option D.

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