JEE Main · ChemistryMedium
The entropy change for the fusion of of a solid at its melting point is . What is the enthalpy of fusion ?
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: A —
Solution
- At equilibrium (melting point), , so .
- Substitute the values: .
- Calculate the product: .
- Convert to kJ: .
- Hence the answer is (A).
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