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For a reaction in which `A` and `B` form `C`, the following data were obtained from three experiments: What is the rate equation of the reaction and what is the value of rate constant ? |
Answer» Let the rate equation be `k[A]^(x)[X]^(y)` From `"From expt"(1),0.3xx10^(-4)=[0.03]^(x)[0.03]^(y)" "....(i)` `"From expt"(2),1.2xx10^(-4)=[0.06]^(x)[0.06]^(y)" "....(ii)` `(1.2xx10^(-4))/(0.3xx10^(-4))=([0.06]^(x)[0.06]^(y))/([0.03]^(x)[0.03]^(y))` `" " =2^(x)xx3^(x)=4 " "....(iii)` Similarly, from expt. (1) and expt (3) `" " 2^(x)xx3^(y)=9 " " ....(iv)` Solving eqs. (ii) and (iv), `" " x=0,y=2` Rate equation `" "` Rate =`k[B]^(2)` Consider eq. (i) again, `k=(0.3xx10^(-4))/([0.03]^(2))=3.33xx10^(-2)"mol"^(-1)L s^(-1)` |
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