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NEET 2012 Chemistry question

ChemistryThermodynamicsNEET 2012

In which of the following reactions, standard reaction entropy change () is positive and standard Gibb's energy change () decreases sharply with increasing temperature?

Answer: (2)

Solution

, so ; falls with rising temperature only if is positive, and the fall is steep when is large. is positive when the number

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Question ID VK-091138