IIT JAM 2026 Chemistry Question Bank: Question & Answer PDF Download

Understanding the concepts is only one aspect of preparing for the IIT JAM exam, another is being familiar with the kinds of questions that are commonly asked. Because of their conceptual significance and practicality, some questions and subjects have frequently surfaced in the test over the years. 

We have identified the top 30 frequently asked, high-weighted questions in the IIT JAM Chemistry section by examining IIT JAM previous year papers from 2023, 2024, and 2025. This compilation will help you increase your accuracy, concentrate on the important things, and get the most out of your next test.

IIT JAM Chemistry Repeated Questions

You can check a few IIT JAM Chemistry Repeated Questions to get an overview of high weightage questions and understand the IIT JAM exam pattern

Question 1:

Which of the following is a correct thermodynamic relation?

(A) ΔG = ΔH - TΔS

(B) ΔS = q_rev / T

(C) ΔG = -RT ln K

(D) ΔU = q - w

Correct Answer: (A), (B)

Question 2:

Ratio of collision frequency between A-A and A-B particles of equal molar quantities is:

(A) 1:1

(B) 2√2:1

(C) √2:1

(D) 2:1

Correct Answer: (B)

Question 3:

Which titration curve corresponds to a dibasic acid?

(A) s-curve

(B) flat-sigmoid

(C) double inflection

(D) step-curve

Correct Answer: (C)

Question 4:

Viscosity of a liquid generally:

(A) Increases with temperature

(B) Decreases with temperature

(C) Remains constant

(D) First increases then decreases

Correct Answer: (B)

Question 5:

What is the work done during an isothermal expansion of 1 mol ideal gas from 1L to 10L at 300K?

(A) 1.7 J

(B) 17 J

(C) 1.7 kJ

(D) 170 J

Correct Answer: (C)

Question 6:

What volume of 0.1 M NaOH is needed to titrate 20 mL of 0.1 M H₂SO₄?

(A) 10 mL

(B) 20 mL

(C) 40 mL

(D) 200 mL

Correct Answer: (C)

You can explore more such questions by clicking the PDF download link available in the table below

Particulars	Details
IIT JAM Chemistry Repeated Questions	PDF Link

IIT JAM Chemistry Topic-Wise Weightage

For effective preparation, it is crucial to comprehend the topic-by-topic weighting in the IIT JAM syllabus. Physical, organic, and inorganic chemistry are the three main topics covered in the IIT JAM Chemistry exam, and each one adds in a unique way to the final product.

This comprehensive review of IIT JAM Chapter-wise weightage will assist you in concentrating on the most important factors for achieving high scores.

Topics	Weightage
Thermodynamics, Quantum Chemistry, Kinetics, Electrochemistry, Solid State, Surface Chemistry	35-40%
Reaction Mechanism, NMR/IR Spectroscopy, Named Reactions, Stereochemistry, Aromatic Compounds	30-35%
Coordination Compounds, Periodic Properties, Organometallics, Bioinorganic, Main Group Chemistry	25-30%

Why Practicing from the IIT JAM Chemistry Question Bank Boosts Your Score?

Practicing with an IIT JAM Chemistry question bank is one of the smartest ways to prepare for the exam. It helps you focus on frequently asked questions, improve speed, and strengthen your conceptual understanding of the IIT JAM exam pattern.

• Understanding of the Exam Pattern

You can better grasp the format, question types, and degree of difficulty of the real exam by regularly practicing with a question bank.

• Covers Frequently Asked Questions

Every year, a large number of JAM Chemistry questions share conceptual similarities. High-weighted, frequently asked questions in a good question bank improve your chances of getting a higher score.

• Enhances Conceptual Clarity

You strengthen your foundations by practicing topic-wise questions that reinforce fundamental ideas in physical, organic, and inorganic chemistry.

• Boosts Accuracy and Speed

Frequent timed practice helps you improve time management and cut down on careless errors, two things that are essential for acing competitive exams.

• Self-Evaluation and  Revision

Frequently, question banks include thorough answers that let you assess your performance, pinpoint your areas of weakness, and concentrate.