Question
The following information is available for the reaction
$${R\overset{\quad\quad}{\rightarrow}P ; \text{rate = }\text{r}_{1} }{R\overset{\quad A\quad}{\rightarrow}P ; \text{rate = }\text{r}_{2} }{R\overset{\quad B\quad}{\rightarrow}P ; \text{rate = }\text{r}_{3} }{R\overset{\quad C\quad}{\rightarrow}P ; \text{rate = }\text{r}_{4} }{R\overset{\quad D\quad}{\rightarrow}P ; \text{rate = }\text{r}_{5} }{R\overset{\quad A + C\quad}{\rightarrow}P ; \text{rate = }\text{r}_{6} }{R\overset{\quad A + D\quad}{\rightarrow}P ; \text{rate = }\text{r}_{7}}$$
If r3 < r1 = r4 = r5 < r7 < r2 < r6, then the only incorrect statement is
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Solution
$r_{1} < r_{2} \Rightarrow$ A is the catalyst. $r_{3} < r_{1} \Rightarrow$B is the catalyst. $r_{1} = r_{4} = r_{5} \Rightarrow$ C and D are not catalysts. $r_{1} < r_{7} < r_{2} \Rightarrow$D is catalytic poison. $r_{1} < r_{2} < r_{6} \Rightarrow$ C is catalytic promotor.
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