InterviewSolution
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InterviewSolution
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For reaction a `A tox` P , when [A] = 2.2 mM , the rate was found to be 2.4 m M `s^(-1)` . On reducing concentration of A to half , the rate changes to 0.6 m M `s^(-1)` . The order of reaction with respect to A isA. 1.5B. `2.0`C. `2.5`D. `3.0` |
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Answer» Correct Answer - b `a A to x`P Rate of constant = `[A]^(a)` Order of reaction = a `[A]_(1) = 2.2` mM , `r_(1) = 2.4 m M s^(-1) " " … (i)` `[A]_(2) = 2.2//2 m M , r_(1) = 0.6 m M s^(-1)` or `(2.4)/(4) " " … (ii)` On reducing the concentration of A to half , the rate of reaction is decreased by four times . Rate of reaction = `[A]^(2)` Order of reaction = 2 . |
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