Select the correct statement (s) (a) Every substance that appears in the rate law of reaction mu...

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Select the correct statement (s)
(a) Every substance that appears in the rate law of reaction must be a reactant orr product in that reaction
(b) If we know the rate law of a reaction; we can deduce its mechanism must be
(c) If the reaction has rate \( \mathrm{r}=\mathrm{k}[\mathrm{A}][\mathrm{B}]^{3 / 2} \) then reaction may be elementary
(d) A zero order reaction must be a complex reaction
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