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NEET UG CHEMISTRY MCQ: THERMODYNAMICS
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In which case, a spontaneous reaction is possible at any temperature?
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Correct option: A
∆H-ve,∆S+ve
Option A (∆H-ve,∆S+ve) is correct because a negative enthalpy change (exothermic) and a positive entropy change always result in a negative Gibbs free energy change, making the reaction spontaneous at all temperatures.
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Reason :- During phase transition work done is always negative. For the reaction, at . Hence, is