NEET Chemistry: Chemical Kinetics — Free Practice Set 15 (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

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10

Medium

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Hard

Key concepts covered in this specific test include Reaction, Formation, Disappearance, Constant, 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. For the reaction \( \text{A} + 2\text{B} \to \text{C} + \text{D} \), the rate of formation of D is \( 0.04 \, \text{mol L}^{-1} \text{s}^{-1} \). What is the rate of disappearance of B?

A. 0.02 mol L\(^{-1}\) s\(^{-1}\)
B. 0.08 mol L\(^{-1}\) s\(^{-1}\)
C. 0.04 mol L\(^{-1}\) s\(^{-1}\)
D. 0.16 mol L\(^{-1}\) s\(^{-1}\)

Q2. A reaction’s rate constant increases from \( 2.5 \times 10^{-4} \, \text{s}^{-1} \) at 27°C to \( 7.5 \times 10^{-4} \, \text{s}^{-1} \) at 37°C. What is the activation energy (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

A. 42.5 kJ mol\(^{-1}\)
B. 63.7 kJ mol\(^{-1}\)
C. 84.9 kJ mol\(^{-1}\)
D. 106.1 kJ mol\(^{-1}\)

Q3. A zero-order reaction reduces the concentration from \( 0.18 \, \text{mol L}^{-1} \) to \( 0.09 \, \text{mol L}^{-1} \) in 45 s. What is the rate constant?

A. 1.0 \(\times\) 10\(^{-3}\) mol L\(^{-1}\) s\(^{-1}\)
B. 1.5 \(\times\) 10\(^{-3}\) mol L\(^{-1}\) s\(^{-1}\)
C. 2.0 \(\times\) 10\(^{-3}\) mol L\(^{-1}\) s\(^{-1}\)
D. 2.5 \(\times\) 10\(^{-3}\) mol L\(^{-1}\) s\(^{-1}\)

Q4. A zero-order reaction has a rate constant of \( 5.0 \times 10^{-3} \, \text{mol L}^{-1} \text{min}^{-1} \). If the initial concentration is \( 0.25 \, \text{mol L}^{-1} \), how long will it take for 60% decomposition?

A. 30 min
B. 40 min
C. 50 min
D. 60 min

Q5. For the reaction \( 3\text{A} + \text{B} \to 2\text{C} \), the rate of disappearance of A is \( 0.12 \, \text{mol L}^{-1} \text{s}^{-1} \). What is the rate of formation of C?

A. 0.04 mol L\(^{-1}\) s\(^{-1}\)
B. 0.08 mol L\(^{-1}\) s\(^{-1}\)
C. 0.12 mol L\(^{-1}\) s\(^{-1}\)
D. 0.16 mol L\(^{-1}\) s\(^{-1}\)

+ 5 more questions in the actual test

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Preview of Questions in this Test

Q1. For the reaction \( \text{A} + 2\text{B} \to \text{C} + \text{D} \), the rate of formation of D is \( 0.04 \, \text{mol L}^{-1} \text{s}^{-1} \). What is the rate of disappearance of B?

Q2. A reaction’s rate constant increases from \( 2.5 \times 10^{-4} \, \text{s}^{-1} \) at 27°C to \( 7.5 \times 10^{-4} \, \text{s}^{-1} \) at 37°C. What is the activation energy (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

Q3. A zero-order reaction reduces the concentration from \( 0.18 \, \text{mol L}^{-1} \) to \( 0.09 \, \text{mol L}^{-1} \) in 45 s. What is the rate constant?

Q4. A zero-order reaction has a rate constant of \( 5.0 \times 10^{-3} \, \text{mol L}^{-1} \text{min}^{-1} \). If the initial concentration is \( 0.25 \, \text{mol L}^{-1} \), how long will it take for 60% decomposition?

Q5. For the reaction \( 3\text{A} + \text{B} \to 2\text{C} \), the rate of disappearance of A is \( 0.12 \, \text{mol L}^{-1} \text{s}^{-1} \). What is the rate of formation of C?

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NEET Chemistry: Chemical Kinetics — MCQ Test 15

Q6. A reaction’s rate constant doubles when the temperature increases from 350 K to 360 K. What is the activation energy (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

Q7. The rate constant of a reaction is \( 5.0 \times 10^{-4} \, \text{s}^{-1} \) at 350 K and \( 2.0 \times 10^{-3} \, \text{s}^{-1} \) at 360 K. What is the activation energy (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

Q8. A first-order gaseous reaction has an initial pressure of 0.8 atm. After 30 s, the total pressure is 1.0 atm. What is the rate constant?

Q9. A reaction has the rate law \( \text{Rate} = k[\text{A}][\text{B}]^2 \). If the concentration of A is tripled and B is halved, what happens to the rate?

Q10. A reaction’s rate increases by 2 times when the temperature rises from 25°C to 35°C. What is the activation energy (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

NEET Chemistry — Chemical Kinetics

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About this NEET MCQ Test

Preview of Questions in this Test

Q1. For the reaction \( \text{A} + 2\text{B} \to \text{C} + \text{D} \), the rate of formation of D is \( 0.04 \, \text{mol L}^{-1} \text{s}^{-1} \). What is the rate of disappearance of B?

Q2. A reaction’s rate constant increases from \( 2.5 \times 10^{-4} \, \text{s}^{-1} \) at 27°C to \( 7.5 \times 10^{-4} \, \text{s}^{-1} \) at 37°C. What is the activation energy (\( R = 8.314 \, \text{J mol}^{-1} \text{K}^{-1} \))?

Q3. A zero-order reaction reduces the concentration from \( 0.18 \, \text{mol L}^{-1} \) to \( 0.09 \, \text{mol L}^{-1} \) in 45 s. What is the rate constant?

Q4. A zero-order reaction has a rate constant of \( 5.0 \times 10^{-3} \, \text{mol L}^{-1} \text{min}^{-1} \). If the initial concentration is \( 0.25 \, \text{mol L}^{-1} \), how long will it take for 60% decomposition?

Q5. For the reaction \( 3\text{A} + \text{B} \to 2\text{C} \), the rate of disappearance of A is \( 0.12 \, \text{mol L}^{-1} \text{s}^{-1} \). What is the rate of formation of C?

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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