Multiple choice

Which of the following molecules/ions do not have linear geometry?

  1. NO2-

  2. XeF2

  3. CdI2

  4. CO

  5. PbCl2
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A Correct answer
Explanation

The nitronium ion or sometimes the nitryl ion NO2+ is a generally reactive cation created by the removal of an electron from the paramagnetic nitrogen dioxide molecule. In [O = N = O]+ nitrogen atom has sp hybridisation and thus it is linear in shape. In NO2- the nitrogen atom has sp2 hybridisation and bent shape.

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