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

A hypothetical reaction A₂ + B₂ → 2AB follows the mechanism as given below -

A₂ ⇌ A + A (fast)

A + B₂ → AB + B (slow)

A + B → AB (fast)

The order of the over all reaction is -

A
2
B
1
C
3/2
D
0

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