Match the LIST-I with LIST-II List-I Isothermal process for ideal gas system List-II Work done (V_f > V_i) A. Reversible expansion I. w =0 B. Free expansion II. w =- nR T \ln {V_{ f }}/{ V _{ i }} C. Irreversible expansion III. w =- p _{ ex } ( V _{ f }- V _{ i }) D. Irreversible compression IV. w =- p _{ ex } ( V _{ i }- V _{ f }) Choose the correct answer from the options given below: [24 jan 2026 Shift 1]

Correct Answer is : A-II, B-I, C-III, D-IV

Chemical Thermodynamics Part 3

Section: Chemistry

Question : 4 of 22

Marks: +1, -0

Match the LIST-I with LIST-II

List-I Isothermal process for ideal gas system

List-II Work done (Vf>Vi)

Reversible expansion

w=0

Free expansion

II.

w=−nRT‌ln‌

Irreversible expansion

III.

w=−pex(Vf−Vi)

Irreversible compression

IV.

w=−pex(Vi−Vf)

Choose the correct answer from the options given below:

[24 jan 2026 Shift 1]

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