Engineering
Chemistry
Structure of Some Important Compounds
Lewis Structures Formal Charge and Octet Rule
Question

The correct statement(s) about O3 is/are

O3 is diamagnetic in nature

O3 has a bent structure

O – O bond lengths are equal

Thermal decomposition of O3 is endothermic

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Solution

both bonds are equal due to resonance, central O-atom is sp2 hybridised with 2σ + 1 ℓ,p. in bent shape

  

            O2 → O3          ΔH = +ve

So,       O3 → O2         ΔH = –ve (exothermic)