JEE Main 2019ChemistryThermodynamics (C)MediumMCQ

JEE Main 2019Thermodynamics (C) Question with Solution

JEE Main 2019 (11 Jan Shift 1)

Question

Two blocks of the same metal having same mass and at temperature and , respectively, are brought in contact with each other and allowed to attain thermal equilibrium at constant pressure. The change in entropy, , for this process is :

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Show full solutionCorrect option: A
Correct answer
A

Step-by-step explanation

Final temperature let

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About this question

This is a previous-year question from JEE Main 2019, covering the Thermodynamics (C) chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.