NEET Chemistry: Chemical Kinetics — Free Practice Set 4 (10 MCQs)

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Chemistry preparation, focusing specifically on the chapter Chemical Kinetics. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

0

Easy

10

Medium

0

Hard

Key concepts covered in this specific test include Reaction, Pressure, Constant, Increases, Activation, and Concentration.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. A first-order gaseous reaction has an initial pressure of 0.6 atm. After 20 s, the total pressure is 0.9 atm. What is the rate constant?

A. 0.0231 s\(^{-1}\)
B. 0.0288 s\(^{-1}\)
C. 0.0462 s\(^{-1}\)
D. 0.0346 s\(^{-1}\)

Q2. A reaction’s rate constant increases from \( 2.0 \times 10^{-4} \, \text{min}^{-1} \) at 290 K to \( 6.0 \times 10^{-4} \, \text{min}^{-1} \) at 300 K. What is the activation energy (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

A. 39.7 kJ mol\(^{-1}\)
B. 59.6 kJ mol\(^{-1}\)
C. 99.2 kJ mol\(^{-1}\)
D. 79.4 kJ mol\(^{-1}\)

Q3. A first-order reaction has an initial concentration of \( 0.8 \, \text{mol L}^{-1} \). After 30 minutes, the concentration reduces to \( 0.4 \, \text{mol L}^{-1} \). What is the rate constant?

A. 0.0154 min\(^{-1}\)
B. 0.0231 min\(^{-1}\)
C. 0.0346 min\(^{-1}\)
D. 0.0462 min\(^{-1}\)

Q4. A reaction has the rate law \( \text{Rate} = k[\text{A}]^2[\text{B}]^2 \). If the concentration of A is doubled and B is reduced to half, what happens to the rate?

A. Increases by 4 times
B. Doubles
C. Remains same
D. Decreases to half

Q5. A reaction’s rate increases by 16 times when the concentration of the reactant is increased by 4 times. What is the order of the reaction?

A. 2
B. 1
C. 3
D. 4

+ 5 more questions in the actual test

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Is this practice set completely free?

Yes, all our chapter-wise practice sets are 100% free. You can practice as many times as you want without any hidden charges.

Are these questions relevant for the latest NEET syllabus?

Absolutely. Our content team regularly updates the question bank to strictly align with the latest NTA NEET syllabus and NCERT textbooks.

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Yes, once you submit the test, you will get an instant scorecard along with the correct answers and detailed explanations for every question.

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NEET Chemistry — Chemical Kinetics

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Preview of Questions in this Test

Q1. A first-order gaseous reaction has an initial pressure of 0.6 atm. After 20 s, the total pressure is 0.9 atm. What is the rate constant?

Q2. A reaction’s rate constant increases from \( 2.0 \times 10^{-4} \, \text{min}^{-1} \) at 290 K to \( 6.0 \times 10^{-4} \, \text{min}^{-1} \) at 300 K. What is the activation energy (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

Q3. A first-order reaction has an initial concentration of \( 0.8 \, \text{mol L}^{-1} \). After 30 minutes, the concentration reduces to \( 0.4 \, \text{mol L}^{-1} \). What is the rate constant?

Q4. A reaction has the rate law \( \text{Rate} = k[\text{A}]^2[\text{B}]^2 \). If the concentration of A is doubled and B is reduced to half, what happens to the rate?

Q5. A reaction’s rate increases by 16 times when the concentration of the reactant is increased by 4 times. What is the order of the reaction?

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NEET Chemistry: Chemical Kinetics — MCQ Test 4

Q6. The rate of a reaction is given by \( \text{Rate} = k[\text{A}]^{1/2}[\text{B}] \). What is the unit of the rate constant?

Q7. A reaction’s rate increases by 9 times when the temperature rises from 330 K to 350 K. What is the activation energy (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

Q8. The molecularity of the elementary step \( \text{NO}_2 + \text{CO} \to \text{NO} + \text{CO}_2 \) is:

Q9. A first-order reaction is 40% complete in 20 minutes. What is the rate constant?

Q10. A reaction’s rate constant is \( 1.0 \times 10^{-2} \, \text{s}^{-1} \) at 27°C. If the activation energy is 50 kJ/mol, what is the rate constant at 37°C (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

NEET Chemistry — Chemical Kinetics

Accelerate Your NEET Preparation

Question Bank

Practice Tests

NEET PYQs

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About this NEET MCQ Test

Preview of Questions in this Test

Q1. A first-order gaseous reaction has an initial pressure of 0.6 atm. After 20 s, the total pressure is 0.9 atm. What is the rate constant?

Q2. A reaction’s rate constant increases from \( 2.0 \times 10^{-4} \, \text{min}^{-1} \) at 290 K to \( 6.0 \times 10^{-4} \, \text{min}^{-1} \) at 300 K. What is the activation energy (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

Q3. A first-order reaction has an initial concentration of \( 0.8 \, \text{mol L}^{-1} \). After 30 minutes, the concentration reduces to \( 0.4 \, \text{mol L}^{-1} \). What is the rate constant?

Q4. A reaction has the rate law \( \text{Rate} = k[\text{A}]^2[\text{B}]^2 \). If the concentration of A is doubled and B is reduced to half, what happens to the rate?

Q5. A reaction’s rate increases by 16 times when the concentration of the reactant is increased by 4 times. What is the order of the reaction?

Frequently Asked Questions

Is this practice set completely free?

Are these questions relevant for the latest NEET syllabus?

Can I view the solutions after the test?

About TopperSquare

More Chemistry Chapters for NEET

Explore More NEET Subjects

Everything you need to crack NEET