The rate law for a multi-step reaction depends only on which of the following?

The fastest step

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The slowest step

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The step involving the intermediate

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The step that used the catalyst

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Solution

The correct option is D The slowest step
It is a fact that the rate law of a multi-step reaction depends only on the slowest step in the reaction.

Therefore, (B) is the correct answer.

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Similar questions

Q. The slowest step of the reaction in a multi-step reaction is called rate-determining step.

Why does the slowest step considered a rate determining step of the reaction?

Q. A chemical reaction procceds into the following steps,
Step I,

2 A ⇌ X (f a s t)

Step II,

X + B \to Y (s l o w)

Step III,

Y + B A ⇌ X [P r o d u c t] (f a s t)

The rate law for the overall reaction is:

For a complex reaction ......... .

(a) order of overall reaction is same as molecularity of the slowest step
(b) order of overall reaction is less than the molecularity of the slowest step
(c) order of overall reaction is greater than molecularity of the slowest step
(d) molecularity of the slowest step is never zero or non-integer

In any unimolecular reaction ......... .
(a) only one reacting species is involved in the rate determining step
(b) the order and the molecularity of slowest step are equalto one
(c) the molecularity of the reaction is one and order is zero
(d) both molecularity and order of the reaction are one

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The rate law for a multi-step reaction depends only on which of the following?

The correct option is D The slowest stepIt is a fact that the rate law of a multi-step reaction depends only on the slowest step in the reaction. Therefore, (B) is the correct answer.

The correct option is D The slowest step
It is a fact that the rate law of a multi-step reaction depends only on the slowest step in the reaction.

Therefore, (B) is the correct answer.