#reaction order

Temperature Dependence - Arrhenius Equation and Activation Energy

A reaction’s rate increases by 25 times when the concentration of the reactant is increased by 5 times. What is the orde

5ⁿ = 25 → n = 2.

Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Temperature Dependence - Arrhenius Equation and Activation Energy

View Details

Temperature Dependence - Arrhenius Equation and Activation Energy

A reaction’s rate increases by 2.25 times when the concentration of the reactant is increased by 1.5 times. What is the

1.5ⁿ = 2.25 → n log 1.5 = log 2.25 → n ≈ 2.

Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Temperature Dependence - Arrhenius Equation and Activation Energy

View Details

Rate of Reaction - Average and Instantaneous Rate and Rate Law

The rate of a reaction increases by 8 times when the concentration of the reactant is doubled. What is the order of the

2ⁿ = 8 → n = 3.

Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Rate of Reaction - Average and Instantaneous Rate and Rate Law

View Details

Rate of Reaction - Average and Instantaneous Rate and Rate Law

A reaction has the rate law Rate = k[A][B]^(1/2). What is the unit of the rate constant?

Order = 1.5 → unit = mol⁻⁰·⁵ L⁰·⁵ s⁻¹.

Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Rate of Reaction - Average and Instantaneous Rate and Rate Law

View Details

Rate of Reaction - Average and Instantaneous Rate and Rate Law

A reaction’s rate increases by 64 times when the concentration of the reactant is increased by 4 times. What is the orde

4ⁿ = 64 → n = 3.

Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Rate of Reaction - Average and Instantaneous Rate and Rate Law

View Details

Rate of Reaction - Average and Instantaneous Rate and Rate Law

A reaction has a rate constant of 0.05 L mol⁻¹ s⁻¹. What is its order?

Unit of k = L mol⁻¹ s⁻¹ matches second-order reaction. Order = 2.

Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Rate of Reaction - Average and Instantaneous Rate and Rate Law

View Details

Pseudo First Order and Complex Reactions

A reaction has a rate constant of 0.08 s⁻¹. What is its order?

Unit s⁻¹ → first-order.

Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Pseudo First Order and Complex Reactions

View Details

Pseudo First Order and Complex Reactions

For a reaction, the initial rate doubles when the concentration of the reactant is quadrupled. What is the order of the

4ⁿ = 2 → n = 0.5.

Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Pseudo First Order and Complex Reactions

View Details

Pseudo First Order and Complex Reactions

A reaction has a rate constant of 1.5 × 10⁻² s⁻¹. What is its order if the unit of the rate constant is s⁻¹?

Unit s⁻¹ matches first-order. Order = 1.

Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Pseudo First Order and Complex Reactions

View Details

Pseudo First Order and Complex Reactions

A reaction’s rate increases by 16 times when the concentration of the reactant is increased by 4 times. What is the orde

4ⁿ = 16 → n = 2.

Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Pseudo First Order and Complex Reactions

View Details

Pseudo First Order and Complex Reactions

A reaction has the rate law Rate = k[A]^(2/3)[B]^(1/3). What is the overall order?

Overall order = 2/3 + 1/3 = 1.

Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Pseudo First Order and Complex Reactions

View Details

Order and Molecularity and Units of Rate Constant

A reaction’s rate increases by 27 times when the concentration of the reactant is increased by 3 times. What is the orde

3ⁿ = 27 → n = 3.

Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Order and Molecularity and Units of Rate Constant

View Details