22 JEE Main 2026 Thermodynamics (C) previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2026 previous-year questions from the Thermodynamics (C) chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Thermodynamics (C) chapter hub.
Which of the following graphs between pressure ' p ' versus volume ' V ' represents the maximum work done?
Arrange the following isothermal processes in order of the magnitude of the work (p - V) involved between states 1 and…
Match the LIST-I with LIST-II array|l|l|c|l| List-I & Isothermal process \ & for ideal gas system & List-II & Work done…
Gas 'A' undergoes change from state 'X' to state 'Y'. In this process, the heat absorbed and work done by the gas is 10…
A cup of water at 5ⁱrc C (system) is placed in a microwave oven and the oven is turned on for one minute during which t…
20.0 dm³ of an ideal gas ' X ' at 600 K and 0.5 MPa undergoes isothermal reversible expansion until pressure of the gas…
Consider the reaction X Y at 300 K. If Δ Hθ and K are 28.40 kJ mol⁻¹ and 1.8 × 10⁻⁷ at the same temperature, then the m…
Consider the following data for the reaction X₂(g) + Y₂(g) 2XY(g) at 600 K. The G^° (in kJ mol⁻¹) for the reaction is :…
Given below are two statements: Statement I: For an ideal gas, heat capacity at constant volume is always greater than…
At the transition temperature T, A B and Δ G⁰ = 105 - 35 T where A and B are two states of substance X. The transition…
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