Select the correct statement (s) (a) The rate law of the elementary reaction; \( 2 \mathrm{~A} \...

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Select the correct statement (s)
(a) The rate law of the elementary reaction; \( 2 \mathrm{~A} \rightarrow \mathrm{B}+\mathrm{C} \), must be \( \mathrm{r}=\mathrm{k}[\mathrm{A}]^{2} \)
(b) The rare law for the complex reaction \( \mathrm{A}+\mathrm{B} \rightarrow \mathrm{C} \), might not be \( \mathrm{r}=\mathrm{k}[\mathrm{A}][\mathrm{B}] \)
(c) If the partial order differ from the coefficients in the balanced reaction, the reaction must be complex
(d) If the partial orders are equal to corresponding coefficients in the balanced reaction, the reaction must be elementary
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