Relevant Titles

1. CBSE Class 11 Chemistry MCQs on Thermodynamic Processes (With Answers)

2. Class 11 Thermodynamics Important Questions – Thermodynamic Processes

3. Thermodynamic Processes Class 11 MCQs for CBSE & NCERT Preparation

4. Free Online Practice Test – Class 11 Chemistry Thermodynamics

5. CBSE Board Exam Practice: Thermodynamic Processes Class 11 Chemistry Quiz

Introduction 

The topic Thermodynamic Processes is a core part of CBSE Class 11 Chemistry under Chapter 6: Thermodynamics. It helps students understand how energy, heat, and work interact in various physical and chemical systems. These processes — isothermal, isobaric, isochoric, and adiabatic — form the basis of understanding energy transfer and equilibrium.

This online MCQ practice test has been designed strictly according to the NCERT Class 11 Chemistry syllabus and CBSE guidelines. It includes multiple-choice questions that test key concepts like the first law of thermodynamics, heat exchange, work done in reversible and irreversible processes, and state versus path functions.

Each question comes with detailed explanations to help learners strengthen their conceptual clarity and analytical thinking. Ideal for CBSE board exam, JEE, and NEET aspirants, this test helps students assess their readiness for real exams.

Take this 30-minute timed online quiz to evaluate your understanding of Thermodynamic Processes — and learn how to apply thermodynamic principles effectively.

Sample MCQs (With Answers and Explanations)

Q1. Which thermodynamic process occurs at constant temperature?
A) Isobaric process
B) Isochoric process
C) Isothermal process
D) Adiabatic process
✅ Answer: C) Isothermal process
Explanation: In an isothermal process, temperature remains constant (ΔT = 0), and for ideal gases, ΔU = 0 as internal energy depends only on temperature.

Q2. During an adiabatic process, which of the following statements is correct?
A) No work is done
B) No heat is exchanged with surroundings
C) Pressure remains constant
D) Temperature remains constant
✅ Answer: B) No heat is exchanged with surroundings
Explanation: Adiabatic processes occur without any heat exchange (q = 0); all energy transfer occurs as work.

Q3. In an isochoric process, what is the work done by the system?
A) Maximum
B) Zero
C) Positive
D) Negative
✅ Answer: B) Zero
Explanation: Isochoric processes occur at constant volume, hence ΔV = 0, and work done (w = PΔV) = 0.

Q4. For an isothermal expansion of an ideal gas, the internal energy change (ΔU) is:
A) Positive
B) Negative
C) Zero
D) Infinite
✅ Answer: C) Zero
Explanation: In an isothermal process, temperature remains constant; for ideal gases, internal energy depends only on temperature, so ΔU = 0.

Q5. Which of the following equations represents a reversible adiabatic process for an ideal gas?
A) PV = constant
B) PV² = constant
C) PV^γ = constant
D) PT = constant
✅ Answer: C) PV^γ = constant
Explanation: For a reversible adiabatic process, PV^γ = constant, where γ = Cₚ/Cᵥ (ratio of specific heats).

✅ Highlight:
These MCQs follow the NCERT Class 11 Chemistry Thermodynamics syllabus, ideal for CBSE board exams, JEE, and NEET aspirants.