Chemical Kinetics MCQ Practice for Students

This page offers Chemical Kinetics MCQ practice designed to match the NEET syllabus. Tackle 20 exam-style chemical kinetics multiple-choice questions that strengthen time management and conceptual clarity. Use this resource to improve your NEET Chemistry accuracy, boost scores, and get stepwise answer keys. For more in-depth study, try the dedicated Chemical Kinetics resource by Vedantu.

What are Chemical Kinetics MCQs?

Chemical kinetics MCQs test your understanding of reaction rates, rate law, order, molecularity, half-life, and Arrhenius equation. These objective questions target core NEET concepts, graphical data interpretation, and calculation-based reasoning, preparing students for exam-realistic scenarios in Chemistry.

Why Practice Chemical Kinetics MCQs for NEET?

Regular practice of NEET-style Chemical Kinetics MCQs boosts speed, accuracy, and confidence. Since kinetics holds significant NEET weightage, solving these helps avoid common errors, enhance concept recall, and apply formulas in time-pressured environments. Analytics from practice improves future test performance.

Chemical Kinetics MCQ Practice (For NEET)

1. The rate law for a reaction is rate = k[A]²[B]. What is the overall order?
   A. 1
   B. 2
   C. 3
   D. 0
   
2. Which unit is correct for the rate constant of a first-order reaction?
   A. mol L^-1 s^-1
   B. s^-1
   C. L mol^-1 s^-1
   D. mol^-1 L s
   
3. The half-life of a zero-order reaction depends on:
   A. Initial concentration
   B. Rate constant only
   C. Temperature
   D. Not dependent on any factor
   
4. Arrhenius equation relates rate constant (k) to:
   A. Concentration
   B. Activation energy
   C. Volume
   D. Pressure
   
5. A reaction is first order in A. If [A] triples, rate will become:
   A. Doubled
   B. Tripled
   C. Nine times
   D. Unchanged
   
6. The slope of the graph of log[A] vs time for a first order reaction is:
   A. k
   B. -k/2.303
   C. 2.303k
   D. -2.303/k
   
7. If rate does not change with [A], the order with respect to A is:
   A. Zero
   B. One
   C. Two
   D. Three
   
8. For a reaction: 2A → Products, rate = k[A]². If [A] is halved, the rate becomes:
   A. Same
   B. One-fourth
   C. Doubled
   D. Halved
   
9. Molecularity of an elementary reaction can be:
   A. Fraction
   B. Integer only
   C. Zero
   D. Negative
   
10. Activation energy is best defined as:
    A. Energy at start
    B. Minimum energy for reaction
    C. Energy released
    D. Internal energy
    
11. For first-order reactions, t_1/2 depends on:
    A. Initial concentration
    B. Final concentration
    C. Only rate constant
    D. Both concentrations
    
12. Which factor does not affect rate constant?
    A. Temperature
    B. Catalyst
    C. Concentration
    D. Activation energy
    
13. If k = 0.693/t_1/2 holds, reaction order is:
    A. Zero
    B. First
    C. Second
    D. Third
    
14. Graph of a zero-order reaction: [A] vs time is
    A. Hyperbola
    B. Straight line
    C. Parabola
    D. Exponential
    
15. Which statement is correct?
    A. Order = Molecularity always
    B. Order is experimental
    C. Molecularity is zero
    D. Order is never fractional
    
16. The effect of catalyst is to:
    A. Increase ΔG
    B. Reduce activation energy
    C. Decrease equilibrium constant
    D. Lower product energy
    
17. The rate of a reaction doubles on raising temperature by 10°C because:
    A. Collision frequency doubles
    B. More molecules cross activation energy
    C. Concentration changes
    D. Catalyst is added
    
18. Units of zero-order rate constant (k) are:
    A. mol L^-1 s^-1
    B. s^-1
    C. L mol^-1 s^-1
    D. No units
    
19. The slowest step in a multi-step reaction is called:
    A. Molecular step
    B. Rate determining step
    C. Fast step
    D. Final step
    
20. If rate = k, the order of reaction is:
    A. Zero
    B. One
    C. Two
    D. Three
    

MCQ Answer Key

Explanations clarify reasoning behind each answer and help students understand important NEET concepts.

How do Chemical Kinetics MCQs Help in NEET?

Practicing NEET Chemical Kinetics MCQs strengthens formula recall and application skills. It identifies weak areas, helps avoid conceptual errors, and boosts score predictability. Consistent practice using Vedantu’s MCQ sets builds exam confidence.

What’s Next for NEET Practice?

• Review detailed revision notes for Chemical Kinetics.
• Attempt chapterwise NEET Chemistry tests to widen your subject coverage.
• Practice with full NEET Chemistry mock tests to track your ranking.
• Analyze your performance with answer key solutions after each set for improvement.

Practicing NEET Chemical Kinetics MCQs enhances conceptual understanding, calculation speed, and accuracy under exam pressure. Each question builds exam strategy and familiarity. For holistic NEET Chemistry preparation, combine MCQ practice with mock tests, revision notes, and continuous analytics to maximize your score with Vedantu.