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A + B rarr products...

`A + B rarr` products

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The correct Answer is:
3
The expression for Rate `= k[A]^(m)[B]^(n)`
Rate `= x = k[0.1]^(m)[0.1]^(n)` ……(1) Rate `= 4x = k[0.1]^(m)[0.2]^(n)` …..(2)
Dividing Eq. (2) by Eq. (1), we get n = 2. `" "` Now, Rate `= 16x = k[0.4]^(m)[0.2]^(n)` ….(3)
Dividing Eq. (2) by Eq. (3), we get m = 1. Therfore, order of the reaction = m + n = 3.
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