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EasyChemistryRate law, Unit of Rate constant, order of reaction
+4 / -1

The chemical reaction 2O₃ → 3O₂ proceeds as follows -

O₃ ⇌ O₂ + O ............(fast)

O + O₃ → 2O₂ ............(slow)

The rate law expression should be -

A
r = k [O₃]²
B
r = k [O₃]² [O₂]⁻¹
C
r = k [O₃] [O₂]
D
Unpredictable

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