The following information is available for the reaction: R →P : R ⟶P ; rate =r1 R A⟶ P ; rat

The following information is available for the reaction: R...

The following information is available for the reaction: $\mathrm{R} \rightarrow \mathrm{P}$ : $\mathrm{R} \longrightarrow \mathrm{P} ; \quad$ rate $=r_{1}$ $\mathrm{R} \stackrel{\mathrm{A}}{\longrightarrow} \mathrm{P} ; \quad$ rate $=r_{2}$ $\mathrm{R} \stackrel{\mathrm{B}}{\longrightarrow} \mathrm{P} ; \quad$ rate $=r_{3}$ $\mathrm{R} \stackrel{\mathrm{c}}{\longrightarrow} \mathrm{P} ; \quad$ rate $=r_{4}$ $\mathrm{R} \stackrel{\mathrm{D}}{\longrightarrow} \mathrm{P} ; \quad$ rate $=r_{5}$ $\mathrm{R} \stackrel{\mathrm{A}+\mathrm{C}}{\longrightarrow} \mathrm{P} ; \quad$ rate $=r_{6}$ $\mathrm{R} \stackrel{\mathrm{A}+\mathrm{D}}{\longrightarrow} \mathrm{P} ; \quad$ rate $=r_{7}$ If $r_{3}<r_{1}=r_{4}=r_{5}<r_{7}<r_{2}<r_{6}$, then the only incorrect statement is (a) $\mathrm{B}$ is an inhibitor. (b) $\mathrm{C}$ is a catalytic promoter of catalyst $\mathrm{A}$. (c) $\mathrm{D}$ is a catalytic poison of catalyst $\mathrm{A}$. (d) A is a catalytic promoter of catalyst C.

The following information is available for the reaction: $\mathrm{R} \rightarrow \mathrm{P}$ :
$\mathrm{R} \longrightarrow \mathrm{P} ; \quad$ rate $=r_{1}$
$\mathrm{R} \stackrel{\mathrm{A}}{\longrightarrow} \mathrm{P} ; \quad$ rate $=r_{2}$
$\mathrm{R} \stackrel{\mathrm{B}}{\longrightarrow} \mathrm{P} ; \quad$ rate $=r_{3}$
$\mathrm{R} \stackrel{\mathrm{c}}{\longrightarrow} \mathrm{P} ; \quad$ rate $=r_{4}$
$\mathrm{R} \stackrel{\mathrm{D}}{\longrightarrow} \mathrm{P} ; \quad$ rate $=r_{5}$
$\mathrm{R} \stackrel{\mathrm{A}+\mathrm{C}}{\longrightarrow} \mathrm{P} ; \quad$ rate $=r_{6}$
$\mathrm{R} \stackrel{\mathrm{A}+\mathrm{D}}{\longrightarrow} \mathrm{P} ; \quad$ rate $=r_{7}$
If $r_{3}<r_{1}=r_{4}=r_{5}<r_{7}<r_{2}<r_{6}$, then the only incorrect statement is
(a) $\mathrm{B}$ is an inhibitor.
(b) $\mathrm{C}$ is a catalytic promoter of catalyst $\mathrm{A}$.
(c) $\mathrm{D}$ is a catalytic poison of catalyst $\mathrm{A}$.
(d) A is a catalytic promoter of catalyst C.

Key Concepts

Catalytic_Poisoning

Catalytic poisoning occurs when a substance, often referred to as a poison, interferes with the function of a catalyst, reducing its activity. This typically happens when the poisoning species binds strongly to active sites on the catalyst, thereby blocking the interaction between the catalyst and the reactants and diminishing the overall reaction rate.

Catalytic_Promotion

Catalytic promotion describes the enhancement of a catalyst's activity by adding another substance, known as a promoter. A promoter interacts with the catalyst or the reactants, improving the efficiency of the catalytic process, often by modifying the catalyst’s effective surface area or electronic properties, leading to increased reaction rates.

Synergistic_Effects_in_Catalysis

This concept involves the combined action of two or more catalysts or catalytic modifiers that results in a greater effect on the reaction rate than the sum of their individual effects. Synergistic interactions can lead to significantly enhanced catalytic performance, where the presence of one catalyst or promoter amplifies the efficiency of another.

Reaction_Kinetics

This concept involves the study of the rates at which chemical reactions occur and the factors affecting these rates. It includes analyzing rate laws, understanding the dependence of reaction speed on concentration, temperature, catalyst presence, and other conditions, and comparing alternative reaction pathways based on their kinetic parameters.

Catalysis

Catalysis refers to the process by which a substance, known as a catalyst, increases the rate of a chemical reaction without being consumed in the process. It does so by providing an alternative reaction pathway with a lower activation energy, thus speeding up the conversion of reactants to products.

Transcript

00:01 So in order to answer this question, we need to first understand the definitions of these terms.

00:06 So what is a catalyst in the reaction? the catalyst and its purpose of addition is to increase the rate.

00:13 So we are increasing the rate of the reaction, without the substance being changed or modified chemically for a impermanent, okay? permanently.

00:27 Promoter, however, it's supposed to improve the performance of the reaction and it's added to a catalyst.

00:34 However, itself is not a catalyst.

00:36 So that means if it's going to improve the performance of a catalyst, indirectly it should, of course, affect the rate positively, as opposed to anibator, which is supposed to decrease the rate or prevent the reaction.

00:53 Okay, so it's completely the opposite action.

00:55 Now, we'll see what's going on here in these reactions.

00:59 So this is the trend asked in a question or defining a question.

01:04 So it says r3, so which is the catalyst b, is the weakest.

01:10 So it's the lowest rate of all these other catalysts at it.

01:16 So b is not a good substance.

01:18 So i would just put a red, not green, red spot here, because b is not a good.

01:25 One so b is an inhibitor this could partially be true yes that's right we're gonna find of course the incorrect answer now it says okay so r1 r5 so they're all the same that means the reaction without a catalyst and four and five they don't have this they do they not they don't have much effect that means c and d c is a catalic promoter of catalyst a okay now okay, so we have to understand the other relations there...

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