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Chemistry Equilibrium Mock Test 3 for NEET Preparation

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Chemistry Equilibrium Mock Test 3 NEET Questions with Answers and Short Tricks

Mock Test: 20 Questions – 20 Minutes
Prepare yourself for NEET with 20 challenging questions from Chemistry Equilibrium. You have exactly 20 minutes to complete this test. Each correct answer carries 4 marks and each wrong answer carries -1 mark (NEET marking scheme). Ready to begin?

Time Left: 20:00

Q1. The equilibrium constant (Kc) for the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g) is 100 at 300 K. What is the value of Kc for the reaction SO3(g) ⇌ SO2(g) + ½ O2(g) at the same temperature?

Q2. At equilibrium, the rate of the forward reaction is:

Q3. For the reaction H2(g) + I2(g) ⇌ 2HI(g), the equilibrium constant Kp is related to Kc as:

Q4. Which of the following does not affect the value of the equilibrium constant Kc?

Q5. For a reaction, the equilibrium constant is 16. What will be the value of equilibrium constant for the reverse reaction?

Q6. If Qc < Kc for a reaction, then the reaction will proceed:

Q7. Le Chatelier’s Principle states that a system at equilibrium responds to stress by:

Q8. In the equilibrium N2(g) + 3H2(g) ⇌ 2NH3(g) + heat, the equilibrium will shift to right if:

Q9. At equilibrium, which of the following statements is always true?

Q10. Consider: A(g) ⇌ B(g). If at equilibrium, ΔG = 0, this means:

Q11. The dissociation of CaCO3(s) ⇌ CaO(s) + CO2(g) is an example of:

Q12. In a reaction A + B ⇌ C + D, if we double the concentration of A, then the equilibrium will:

Q13. In the Haber process, a catalyst is used to:

Q14. For the reaction N2O4(g) ⇌ 2NO2(g), Kp > Kc, which is true?

Q15. Which expression represents the equilibrium constant (Kc) of the reaction: aA + bB ⇌ cC + dD?

Q16. On adding a catalyst to a system at equilibrium:

Q17. In the equilibrium 2NO2(g) ⇌ N2O4(g), what will be the effect of decreasing volume?

Q18. When the concentration of one of the reactants in a reversible reaction is increased, then:

Q19. The relationship between ΔG° and equilibrium constant K is:

Q20. The value of Kp for the reaction 2H2O(g) ⇌ 2H2(g) + O2(g) is 0.25 atm2. What is the value of Kp for the reverse reaction?

Congratulations! You answered all questions correctly!

What is the Chemistry Equilibrium Mock Test for NEET?

The Chemistry Equilibrium Mock Test for NEET is an online practice test specifically tailored for NEET aspirants focusing on the Equilibrium chapter of Chemistry. This test simulates the actual NEET Chemistry section and covers key concepts from both Chemical and Ionic Equilibrium, providing 20 NEET-level MCQs aligned with the latest NCERT syllabus.


It helps familiarize students with real exam patterns, time constraints, and question diversity for Equilibrium. Covering all essential topics, the test is structured to strengthen your fundamental concepts and problem-solving speed, which are crucial for success in NEET 2026 Chemistry.


How Chemistry Equilibrium Mock Tests Help NEET Aspirants

Practicing with Chemistry Equilibrium mock tests enables NEET aspirants to master core concepts and apply foundational principles in real-time situations. These tests are a powerful way to revise the entire chapter, gauge concept understanding, and identify strengths and weaknesses effectively.


Attempting timed mock tests enhances time management skills, allowing you to distribute precious minutes wisely during the actual exam. Repeated practice ensures that you build the confidence required to solve calculation-based and theoretical questions quickly and accurately. For further support and live guidance, explore our NEET course page.


Chemistry Equilibrium Topic-wise Mock Test Coverage

SubjectTopics CoveredNo. of Questions
ChemistryChemical Equilibrium (Law of Mass Action, Equilibrium Constant, Le Chatelier’s Principle)8
ChemistryIonic Equilibrium in Solutions (pH, Ostwald’s Dilution Law, Buffer Solutions)6
ChemistryFactors Affecting Equilibria (Pressure, Concentration, Temperature Effects)3
ChemistryRelationship of ΔG and Equilibrium Constant2
ChemistryEquilibrium in Heterogeneous Systems1

How to Take the Chemistry Equilibrium NEET Mock Test

Taking the Chemistry Equilibrium NEET Mock Test is simple and user-friendly. Open the practice page, carefully read the instructions, and click the "Start the Mock Test" button to begin your timed session.


Answer all 20 multiple-choice questions on this page within the 20-minute window. You can submit the test anytime, or it will auto-submit when the timer ends. Instantly view your score, correct answers, and detailed marking once you finish!


Why Choose Vedantu's Chemistry Equilibrium NEET Mock Test?

Vedantu’s Chemistry Equilibrium mock test is crafted by NEET experts strictly according to the latest exam pattern and the NCERT Class 11 & 12 syllabus. Questions are designed to test conceptual clarity, calculation skills, and application-based understanding.


Our mock tests provide instant scoring, color-coded answer reveals, and feedback to help you learn faster. Detailed performance analysis helps you track progress, make smart revision plans, and boost your score for NEET 2026!


NEET Mock Test – Subject-wise
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Essential Study Materials for NEET
1NEET Notification
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3NEET Syllabus
4NEET Exam Pattern
5NEET Registration
6NEET Admit Card
7NEET Exam Centers
8NEET Exam Date
9NEET Answer Key
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FAQs on Chemistry Equilibrium Mock Test 3 for NEET Preparation

1. What is equilibrium in chemistry for NEET?

Chemical equilibrium is a state in a chemical reaction where the rate of the forward reaction equals the rate of the reverse reaction. At this stage, concentrations of reactants and products remain constant. Key points:
- Both forward and backward reactions occur
- No net change in amount of substances
- Studied in NEET Chemistry and important for class 11-12 exams.
- Fundamental example: formation of ammonia in the Haber process.

2. How do you write a short essay on chemistry equilibrium in English?

To write a short essay on chemistry equilibrium, begin with its definition, explain its types, and mention real-life examples. Structure suggestion:
- Start with a clear introduction on equilibrium
- Define dynamic and static equilibrium
- State the significance in NEET and daily life
- Include examples like reversible reactions
- End with a brief conclusion on its importance

3. What are must-know points for chemistry equilibrium speech?

A good chemistry equilibrium speech should include key points and simple explanations:
- Definition of chemical equilibrium
- Difference between static and dynamic equilibrium
- Factors affecting equilibrium (Le Chatelier’s principle)
- Importance in industrial and biological processes
- Example: Haber process or acid-base reactions

4. How many types of equilibrium are there in chemistry?

Chemistry equilibrium mainly has two types:
1. Dynamic equilibrium: Both reactants and products are formed at equal rates.
2. Static equilibrium: No movement or change in the system.
Other relevant divisions: physical equilibrium (involving states like solid-liquid) and chemical equilibrium (involving reactants/products).

5. What format is best for NEET chemistry essay answers?

For NEET chemistry essay answers, use a clear and logical structure:
- Introduction with proper definition
- Sequential explanation of types and key laws
- Application-based real-world examples
- Use of bullet points for clarity (if allowed)
- Concise conclusion summarising importance

6. Are these essays useful for Class 10 and 12 school exams?

Yes, chemistry equilibrium essays designed for NEET are highly relevant for Class 10 and 12 school exams as they follow the latest syllabus and curriculum. Benefits:
- Easy to adapt for assignments and speeches
- Covers NCERT-based concepts and examples
- Improves exam writing technique and time management

7. What are common equilibrium MCQ topics for NEET?

Key equilibrium MCQ topics for NEET include basic definitions, laws, and application questions:
- Law of Mass Action
- Le Chatelier's Principle
- Ionic equilibrium and buffer solutions
- Equilibrium constant calculations (Kc, Kp)
- Real-life examples and reasoning questions

8. How does Le Chatelier’s Principle relate to chemical equilibrium?

Le Chatelier’s Principle explains how a system at chemical equilibrium responds to external changes:
- If conditions like pressure, temperature or concentration change, the system shifts to counteract the change.
- Used to explain many NEET questions about reaction direction and yield.
- Example: Increasing pressure in ammonia synthesis favors product formation.

9. Give an example of equilibrium in daily life or industry.

A well-known example of chemical equilibrium in industry is the Haber process for ammonia production:
- Nitrogen and hydrogen gases react to form ammonia
- Reaction achieves equilibrium at specific temperature and pressure
- This principle is used in fertilizer manufacturing

10. Why is understanding chemical equilibrium important for NEET?

Mastering chemical equilibrium is vital for NEET exams because questions often test application, reasoning, and calculation skills:
- Forms a core part of the physical chemistry syllabus
- Supports problem-solving in MCQs and assertion-reason type questions
- Helps in understanding broader chemical processes in biology and medicine