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A reaction `A_(2)+B_(2)rarr 2AB` occurs by the following mechanism:
`A_(2)rarr A+A`… (slow)
`A+B_(2)rarr AB+B`… (fast)
`A+Brarr AB` … (fast)
Its order would be
A. `3//2`
B. `1`
C. Zero
D. `2`

1 Answer

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Best answer
Correct Answer - b
The rate expression is derived for slowest step of mechanism.

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