Chemistry · JEE

Equilibrium Previous Year Questions for JEE

23+ syllabus-aligned questions available

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Goodmarks offers 23+ JEE-style PYQs for Equilibrium with detailed solutions. While official past papers rotate yearly, our bank covers the same concepts, difficulty, and question formats tested in JEE Chemistry.

Previous year questions are the fastest way to understand how Equilibrium is tested in JEE. Practise 23+ exam-pattern MCQs modelled on JEE Main and Advanced, with full solutions for every question.

Subtopics in Equilibrium

Meaning of equilibrium, the concept of dynamic equilibrium
Equilibria involving physical processes: Solid-liquid, liquid-gas, gas-gas and solid-gas equilibria, Henry's law, General characteristics of equilibrium involving physical processes
Equilibrium involving chemical processes: Law of chemical equilibrium, equilibrium constants (Kp and Kc) and their significance, the significance of Delta G and Delta G° in chemical equilibrium
Factors affecting equilibrium: concentration, pressure, temperature, the effect of catalyst, Le Chatelier's principle
Ionic equilibrium: Weak and strong electrolytes, ionization of electrolytes
Various concepts of acids and bases (Arrhenius, Bronsted Lowry and Lewis) and their ionization, acid-base equilibria (including multistage ionization) and ionization constants
Ionization of water, pH scale, common ion effect, hydrolysis of salts and pH of their solutions, the solubility of sparingly soluble salts, solubility products and buffer solutions

Free sample questions

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Q1ChemistryUnit 6: Equilibrium

Which of the correct statement for the given acids?

Q2ChemistryUnit 6: Equilibrium

Which of the following will change the value of the equilibrium constant for the reaction?

N_{2}(g)+O_{2}(g) \leftrightharpoons 2 N O(g)

Q3ChemistryUnit 6: Equilibrium

A+B \rightleftharpoons C+D, K_{c}

for this reaction is 10. If 1,2,3,4 mole/litre of

A, B, C

and

D

respectively are present in a container at

25^{\circ} C,

the direction of reaction will be:

Q4ChemistryUnit 6: Equilibrium

K_{a}

for acetic acid in water is

1.7 \times

10^{-5}

25^{\circ} \mathrm{C} .

The

\mathrm{pH}

of a mixture of 25

\mathrm{ml}

0.02 \mathrm{N}

acetic acid and

2.5 \mathrm{ml}

of 0.1N NaOH (neglecting volume change) will be

(\log 1.7=0.23)

Q5ChemistryUnit 6: Equilibrium

Ant bite is treated by application of

Q6ChemistryUnit 6: Equilibrium

The state of equilibrium refers to:

Q7ChemistryUnit 6: Equilibrium

A weak mono acidic base is

5 \%

ionized in

0.01 M

solution. The hydroxide ion concentration in the solution is:

Q8ChemistryUnit 6: Equilibrium

Which property is shown by the alkali sodium hydroxide?

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Frequently asked questions

Why practise PYQs for Equilibrium?

PYQs reveal recurring concepts, common traps, and the difficulty level JEE expects. Solving them builds exam temperament and time management.

Does Goodmarks have actual JEE past papers?

Our bank includes exam-style MCQs aligned with JEE Main Chemistry syllabus for Equilibrium, covering the same topics as previous year papers.

How should I use PYQs for Equilibrium?

Solve timed sets, review every explanation, note weak subtopics, then revisit with focused practice on Goodmarks.

Are PYQ solutions step-by-step?

Yes. Every question includes the correct answer and a detailed explanation showing the reasoning.