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NEET UG CHEMISTRY MCQ: THERMODYNAMICS
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The enthalpy of fusion of water is 1.435 kcal/mol. The molar entropy change for the melting of ice at 0℃ is:
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Correct option: A
5.260 cal/(mol K)
Option A (5.260 cal/(mol K)) is correct because it is calculated by dividing the enthalpy of fusion by the temperature at which melting occurs.
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Reason :- During phase transition work done is always negative. For the reaction, at . Hence, is