NEET 2026 Chemistry question

ChemistryThermodynamicsNEET 2026

A protein undergoes reversible thermal denaturation from its initial state N to denatured state D according to . At 60C, the concentrations of both N and D are equal at equilibrium, and the standard enthalpy change of denaturation is 666 kJ mol. The standard entropy change ( in kJ K mol) of the protein upon denaturation at 60C is closest to

Answer: (1)

Solution

At equilibrium , so . \dfrac{Δ H°}{T}$ =

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Question ID VK-105060