For the conversion of oxygen to ozone in the atmosphere, nitric oxide in gaseous phase acts as
A. enzyme catalyst
B. inhibitor
C. homogeneous catalyst
D. heterogeneous catalyst

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1 Answers

Correct Answer - C
For the conversion of oxygen to ozone in the atmosphere, nitric oxide in gaseous phase acts as a homogeneous catalyst. This is because, both reactant and the catalyst are in the same phase (i.e. gas).

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