Multiple choice

Which of the following statements is correct?

  1. O2- is diamagnetic.

  2. N2 and CN- are isoelectronic and chemically inert.

  3. NO3- and CO32- are isostructural.

  4. CO2 is a bent molecule.

  5. CO and NO+ are isoelectronic.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Both NO3- and CO32- have 32 electrons with sp2 hybridised central atom and trigonal planar geometry.

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