NEET Chemistry: Chemical Kinetics — Free Practice Set 13 (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, Concentration, Increases, and Activation.

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 2.4 atm. After 40 s, the total pressure is 3.0 atm. What is the rate constant?

A. 0.0058 s\(^{-1}\)
B. 0.0096 s\(^{-1}\)
C. 0.0072 s\(^{-1}\)
D. 0.0115 s\(^{-1}\)

Q2. A first-order reaction has an initial concentration of \( 0.5 \, \text{mol L}^{-1} \) and a rate constant of \( 0.0693 \, \text{min}^{-1} \). What is the concentration after 20 minutes?

A. 0.25 mol L\(^{-1}\)
B. 0.1 mol L\(^{-1}\)
C. 0.125 mol L\(^{-1}\)
D. 0.05 mol L\(^{-1}\)

Q3. A second-order reaction has a rate constant of \( 0.03 \, \text{L mol}^{-1} \text{min}^{-1} \) and an initial concentration of \( 0.15 \, \text{mol L}^{-1} \). What is the half-life?

A. 200 min
B. 250 min
C. 222.22 min
D. 150 min

Q4. The rate constant of a reaction increases from \( 2.0 \times 10^{-3} \, \text{s}^{-1} \) at 320 K to \( 8.0 \times 10^{-3} \, \text{s}^{-1} \) at 340 K. What is the activation energy (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

A. 31.4 kJ mol\(^{-1}\)
B. 47.1 kJ mol\(^{-1}\)
C. 62.7 kJ mol\(^{-1}\)
D. 78.4 kJ mol\(^{-1}\)

Q5. A zero-order reaction has an initial concentration of \( 0.24 \, \text{mol L}^{-1} \) and a rate constant of \( 3.0 \times 10^{-3} \, \text{mol L}^{-1} \text{s}^{-1} \). What is the half-life?

A. 20 s
B. 30 s
C. 40 s
D. 50 s

+ 5 more questions in the actual test

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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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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 2.4 atm. After 40 s, the total pressure is 3.0 atm. What is the rate constant?

Q2. A first-order reaction has an initial concentration of \( 0.5 \, \text{mol L}^{-1} \) and a rate constant of \( 0.0693 \, \text{min}^{-1} \). What is the concentration after 20 minutes?

Q3. A second-order reaction has a rate constant of \( 0.03 \, \text{L mol}^{-1} \text{min}^{-1} \) and an initial concentration of \( 0.15 \, \text{mol L}^{-1} \). What is the half-life?

Q4. The rate constant of a reaction increases from \( 2.0 \times 10^{-3} \, \text{s}^{-1} \) at 320 K to \( 8.0 \times 10^{-3} \, \text{s}^{-1} \) at 340 K. What is the activation energy (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

Q5. A zero-order reaction has an initial concentration of \( 0.24 \, \text{mol L}^{-1} \) and a rate constant of \( 3.0 \times 10^{-3} \, \text{mol L}^{-1} \text{s}^{-1} \). What is the half-life?

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NEET Chemistry: Chemical Kinetics — MCQ Test 13

Q6. A first-order reaction has a rate constant of \( 0.0346 \, \text{min}^{-1} \). What is the half-life?

Q7. For the reaction \( \text{A} + 2\text{B} \to 3\text{C} \), the rate of formation of C is \( 0.15 \, \text{mol L}^{-1} \text{s}^{-1} \). What is the rate of disappearance of B?

Q8. A reaction has the rate law \( \text{Rate} = k[\text{A}]^{1/3}[\text{B}]^{2/3} \). What is the overall order?

Q9. The rate of a reaction is \( \text{Rate} = k[\text{A}]^{0.5}[\text{B}]^{0.5} \). What is the overall order?

Q10. A second-order reaction has a rate constant of \( 0.06 \, \text{L mol}^{-1} \text{s}^{-1} \). If the initial concentration is \( 0.2 \, \text{mol L}^{-1} \), what is the time for 60% completion?

NEET Chemistry — Chemical Kinetics

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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 2.4 atm. After 40 s, the total pressure is 3.0 atm. What is the rate constant?

Q2. A first-order reaction has an initial concentration of \( 0.5 \, \text{mol L}^{-1} \) and a rate constant of \( 0.0693 \, \text{min}^{-1} \). What is the concentration after 20 minutes?

Q3. A second-order reaction has a rate constant of \( 0.03 \, \text{L mol}^{-1} \text{min}^{-1} \) and an initial concentration of \( 0.15 \, \text{mol L}^{-1} \). What is the half-life?

Q4. The rate constant of a reaction increases from \( 2.0 \times 10^{-3} \, \text{s}^{-1} \) at 320 K to \( 8.0 \times 10^{-3} \, \text{s}^{-1} \) at 340 K. What is the activation energy (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

Q5. A zero-order reaction has an initial concentration of \( 0.24 \, \text{mol L}^{-1} \) and a rate constant of \( 3.0 \times 10^{-3} \, \text{mol L}^{-1} \text{s}^{-1} \). What is the half-life?

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?

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