NEET2024Chemistry-Isothermal Process

NEET 2024 Chemistry Work Done in Thermodynamic Processes MCQ Question

Type: MCQ-numerical-Medium-Class 11

The work done during reversible isothermal expansion of one mole of hydrogen gas at 25°C from pressure of 20 atmosphere to 10 atmosphere is: (Given R = 2.0 cal K⁻¹ mol⁻¹)

A

413.14 calories

B

100 calories

C

0 calorie

D

-413.14 calories

Correct Answer

Option D

Detailed Explanation

The work done in an isothermal process is calculated using W = -nRT ln(Vf/Vi). Substituting the given values gives 413.14 calories.

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