Thermodynamics and ThermochemistryeasyMCQ SINGLE

When a substance is heated, its entropy increases. The increase will be maximum atThermodynamics and Thermochemistry Chemistry Question

Question

When a substance is heated, its entropy increases. The increase will be maximum at

Answer: C

💡 Solution & Explanation

The entropy change of vaporization at the boiling point ($\Delta S_{vap} = \Delta H_{vap}/T_b$) is typically much larger than the entropy change of fusion at the melting point, reflecting the massive volume expansion and disorder created when forming a gas.

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