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In hypothetical reaction A2+B2 = 2AB fol...

In hypothetical reaction `A_2+B_2 = 2AB` follows the mechanism as given below:
`A_2 iff A+A` (fast reaction)
`A+B_2 to AB+B` (slow reaction)
`A+B to AB` (fast reaction)
give the rate law and order of reaction.

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