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NEET 2025 Equilibrium Mock Test 2 – Chemistry Practice Online

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Chapter-wise Online Mock Test with Solutions for Equilibrium in NEET 2025

Equilibrium Mock Test 2 | NEET Mock Test
Mock Test: 20 Questions - 20 Minutes
Prepare yourself for NEET with 20 challenging questions from Equilibrium Mock Test 2. You have exactly 20 minutes to complete the test. Ready to begin?

Time Left: 20:00

1. For the following reaction, Kc at 298 K is 1.6 × 105:
H₂(g) + I₂(g) ⇌ 2HI(g). What is the value of Kp at 298 K? (R = 0.082 L·atm·K⁻¹·mol⁻¹)

2. What happens to the equilibrium position when pressure is increased in the reaction:
N₂(g) + 3H₂(g) ⇌ 2NH₃(g)?

3. What is the effect of catalyst on equilibrium constant?

4. The pH of a 0.1 M acetic acid solution (Ka = 1.8 × 10⁻⁵) is close to:

5. If the solubility product (Ksp) of AgCl at 25°C is 1.6 × 10⁻¹⁰, what is its solubility in mol/L?

6. Which statement is FALSE for a system at equilibrium?

7. In the reaction CO(g) + H₂O(g) ⇌ CO₂(g) + H₂(g), addition of H₂O will:

8. Which of the following is NOT a characteristic of chemical equilibrium?

9. Value of Kc for the reaction 2SO₂(g) + O₂(g) ⇌ 2SO₃(g) is 100 at 1100 K. The value for 1/2SO₂(g) + 1/2O₂(g) ⇌ SO₃(g) is:

10. Which solution has the lowest pH?

11. A solution contains 0.2 M HA (weak acid) and 0.1 M A⁻. If Ka = 1.8 × 10⁻⁵, the pH of the buffer is:

12. The degree of dissociation of acetic acid in 1 M solution is approximately:

13. In which system will equilibrium be shifted by a change in pressure?

14. The ionic product of water (Kw) at 25°C is:

15. Which of the following is a buffer system?

16. The relation between Kp and Kc is Kp = Kc(RT)Δn. Here Δn refers to:

17. Conjugate base of HCO₃⁻ is:

18. The equilibrium constant for a reaction is 1. What does it indicate?

19. When diluting a solution, the degree of dissociation of weak electrolyte:

20. Which of the following has the highest value of equilibrium constant?

Hurray! 🎉 You answered all the questions correctly! 🏆

NEET 2025 Chemistry Equilibrium Mock Test 2: Challenge Your Concepts

Aspiring to ace NEET Chemistry? This Equilibrium Mock Test 2 is specifically curated to reflect NTA’s latest exam standards for 2025. Practicing these questions will help you accurately gauge your understanding and boost your speed on equilibrium MCQs—a key scoring segment in NEET Chemistry.


Why Attempt Equilibrium Mock Test 2 Before NEET?

Solving a dedicated equilibrium practice test empowers you to identify conceptual gaps, revise ionic and chemical equilibrium principles, and master problem-solving under strict time. This mock test covers all major subtopics—Le Chatelier’s Principle, Kc/Kp conversions, solubility product, pH buffers and more—mirroring real exam scenarios.


  • Practices dynamic and static equilibrium scenarios as per NEET pattern.
  • Instant scoring and solutions, topical analytics for every attempt.
  • 20 MCQs with mixed difficulty: foundational, moderate, advanced.
  • Mobile-friendly interface with auto-timer and detailed answer review.

Key Formulas & Conversion Table: Equilibrium Constants

Parameter Relationship Example
Kp and Kc Kp = Kc(RT)Δn Δn = (gaseous moles products - reactants)
pH, [H⁺] pH = −log[H⁺] If [H⁺] = 1 × 10⁻³ M: pH = 3
Buffer (pH) pH = pKa + log([salt]/[acid]) Acetate buffer: CH₃COOH/CH₃COONa
Solubility, Ksp Ksp = [cation]x × [anion]y AgCl: Ksp = [Ag⁺][Cl⁻]

Equilibrium Chapter: NEET Practice in the Chemistry Syllabus

The Equilibrium chapter in NEET covers both chemical and ionic equilibrium, including concepts like acid-base balance, buffer action, solubility equilibria, and Le Chatelier’s principle. Many high-yield NEET questions test your grip over these fundamentals, especially calculations using equilibrium constants.


Attempting mock tests chapter-wise gives in-depth practice and ensures you aren’t left behind in any NEET Chemistry topic. Regular revision with full solutions reinforces memory and strengthens application skills for all types of equilibrium questions seen in NEET and board exams.


Advance Your NEET Preparation: Real-Time Analytics & Review

When you submit the Equilibrium Mock Test 2, you get instant scoring, detailed solutions, and colored answer highlights. This helps pinpoint strengths and areas for improvement. The online NEET test series also benchmarks your performance against other aspirants, powering up your exam readiness.


  • Dive deeper: Get solution keys and explanations for every equilibrium MCQ.
  • Monitor topic accuracy and manage time for each section.
  • Benchmark your score instantly for precise NEET-level self-analysis.

Expert Tips to Master Equilibrium for NEET 2025

Focus on understanding the conceptual basis behind Le Chatelier’s Principle and equilibrium constant relationships. Practice Kp and Kc conversions, buffer calculations, and solubility numericals with timed practice. When revising, always write the balanced chemical equations and use previous years’ NEET questions to get familiar with the exam pattern.


Train yourself to quickly identify whether an equilibrium is homogeneous or heterogeneous, and apply shortcuts for pH, Ka, and Ksp calculations. In NEET 2025, attempting tests in real exam conditions boosts your speed and accuracy notably.


Top Free NEET Mock Tests Online for 2025

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FAQs on NEET 2025 Equilibrium Mock Test 2 – Chemistry Practice Online

1. What is the NEET Equilibrium Mock Test 2, and how does it help with NEET 2025 preparation?

NEET Equilibrium Mock Test 2 is a chapter-wise practice test designed on the latest NEET 2025 Chemistry syllabus. It helps students strengthen their concepts in Chemical and Ionic Equilibrium by providing NTA-style questions, instant scoring, rank prediction, and detailed expert solutions. Practicing with such mock tests boosts time management, identifies weak areas, and enhances exam confidence.

2. Is Vedantu’s NEET Equilibrium Mock Test 2 free for all users?

Yes, Vedantu provides free access to NEET Equilibrium Mock Test 2 for all registered users. Some advanced analytics and premium mock tests may require a subscription, but core tests and solutions are freely available for practice.

3. Are the questions in this mock test based on the latest NTA NEET 2025 syllabus?

All questions in the Equilibrium Mock Test are strictly based on the latest NTA NEET 2025 Chemistry syllabus. They reflect recent exam trends, types, and difficulty levels expected in the upcoming exam, ensuring students practice only relevant topics.

4. Can I attempt the Equilibrium Mock Test on my mobile or tablet?

Yes, Vedantu’s online platform supports mock test attempts on mobile phones, tablets, and desktops, offering students flexibility to practice anytime and anywhere.

5. Will I receive instant solutions and detailed explanations after submitting the mock test?

Yes, after submitting the mock test, you receive instant scoring along with detailed solutions and stepwise explanations for every question. This helps you understand where you went wrong and learn the correct approach for every Equilibrium-based problem.

6. How many Equilibrium mock tests should I solve before appearing for NEET?

It is recommended to attempt at least 3–5 full-length Equilibrium mock tests and multiple chapter-wise quizzes to achieve strong conceptual clarity and improve speed and accuracy before your NEET exam.

7. Does the platform give an All India Rank (AIR) or predicted NEET score?

Yes, Vedantu’s mock test platform provides an All India Rank prediction and expected NEET score after test submission, enabling you to benchmark your performance against thousands of aspirants.

8. Can I retake the Equilibrium mock test multiple times for better practice?

Yes, you can retake the Equilibrium mock test multiple times to improve accuracy, strengthen understanding, and analyze your progress using detailed performance analytics each time.

9. How does the analytics dashboard help identify my weak areas in Equilibrium?

The performance analytics dashboard shows accuracy, time spent per question, and topic-wise score breakdown, helping you pinpoint weak concepts in Chemical and Ionic Equilibrium so you can focus your revision accordingly.

10. Are chapter-wise mock tests available for other Chemistry chapters and NEET subjects?

Yes, in addition to Equilibrium, chapter-wise mock tests are available for all major Chemistry chapters, as well as for Physics and Biology, ensuring comprehensive NEET practice as per the latest syllabus.

11. Can the test simulate real NEET exam conditions, including time limits?

Yes, the mock test is designed to simulate real NEET exam conditions, with accurate time limits, marking scheme, and question patterns, helping you adapt to the actual exam environment and manage time efficiently.

12. Do repeated practice sessions with Equilibrium mock tests improve NEET scores?

Repeated practice with Equilibrium chapter-wise and full-length mock tests reinforces key concepts, builds problem-solving speed, and reduces errors, significantly boosting your chances for a higher NEET Chemistry score.