For the reaction, 2 A + B → products, when the concentration of A and B both were doubled, the rate of the reaction increased from 0.3 m o l L - 1 s - 1 to 2.4 m o l L - 1 s - 1 . When the concentration of A alone is doubled, the rate increased from 0.3 m o l L - 1 s - 1 to 0.6 m o l L - 1 s - 1 . Which one of the following statements is correct?

Order of the reaction with respect to B is 2

Total order of the reaction is 4

Order of the reaction with respect to A is 2

Order of the reaction with respect to B is 1

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 3>Q 6

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Directions: Each of these questions contains an Assertion followed by a reason. Read them carefully and answer the question on the basis of the following options. You have to select the one that best describes the two statements.

Assertion: Order of reaction can never be fractional for an elementary reaction.

Reason: An elementary reaction takes place by a one-step mechanism.

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Important Questions on Chemical Kinetics

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 3>Q 7

Directions: Each of these questions contains an Assertion followed by a reason. Read them carefully and answer the question on the basis of the following options. You have to select the one that best describes the two statements.

Assertion: Every collision between molecules does not lead to a chemical reaction.

Reason: Only those molecules can react during collisions that acquire threshold energy levels.

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 1

According to the adsorption theory of catalysis, the speed of the reaction increases because:

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 2

For reaction

aA \to xP,

when

[A] = 2.2 mM,

the rate was found to be

2.4 {mMs}^{- 1}

. On reducing concentration of A to half, the rate changes to

0.6 {mMs}^{- 1}

. The order of reaction with respect to

A

is:

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 3

Which of the following graphs represent a relationship between the initial concentration of reactants and half-life for the third-order reaction?

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 4

For the reaction

2 N_{2} O_{5} \to 4 N O_{2} + O_{2}

rate of reaction is

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 5

The half-life for the reaction

$N_{2} O_{5} \to 2 {NO}_{2} + \frac{1}{2} O_{2}$ is $2.4 h$ at $STP .$ Starting with $10.8 g$ of $N_{2} O_{5},$ how much oxygen will be obtained after a period of $9.6 h ?$