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NEET 2017 Chemistry question

ChemistryThermodynamicsNEET 2017

For a given reaction, and . The reaction is spontaneous at : (Assume that and do not vary with temperature)

Answer: (2)

Solution

A reaction is spontaneous when , i.e. . Here both and are positive, so the reaction is spontaneous only above a threshold temperature. \dfrac{Δ H}{Δ S}\dfracExtra open brace or missing close brace{35.5×10^{3}$\

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Question ID VK-092091