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NEET UG CHEMISTRY MCQ: THERMODYNAMICS
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Which reaction either endothermic or exothermic characteristics has the greater chance of occurring spontaneously?
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Correct option: C
One in which Gibbs energy change is negative
Option C (One in which Gibbs energy change is negative) is correct because a negative Gibbs free energy change is the direct criterion for spontaneity, regardless of whether the reaction is endothermic or exothermic.
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For which of the process, ∆S is negative?
The work done by a weightless piston in causing an expansion ∆V (at constant temperature), when the opposing pressure, P is variable, is given by:
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Reason :- During phase transition work done is always negative. For the reaction, at . Hence, is