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InterviewSolution
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For the given reaction, `A+B rarr` Products following data were obtained (i) Write the rate law expression. (ii) Find the rate constant. |
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Answer» Let order respect to A and B are `alpha and beta` respectively. Rate law expression may be given as. `"Rate "=k[A]^(alpha)[B]^(beta)` `0.05=k[0.1]^(alpha)[0.2]^(beta)" " ....(i)` `0.10=k[0.2]^(alpha)[0.2]^(beta)" " ....(ii)` `0.05=k[0.1]^(alpha)[0.1]^(beta)" " ....(iii)` Divding eq. (i) by eq. (ii), we get `(1)/(2)=[(1)/(2)],i.e., alpha=1` Dividing eq. (i), (iii), we get `1=[2]^(beta),i.e.,beta=0` Rate `k=[A]^(1)[B]^(0)` Substituting the value of `alpha and beta` in eq. (i), we get `0.05=k[0.1]^(1)]0.2]^(0)` `k=0.5sec^(-1)` |
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