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NEET UG CHEMISTRY MCQ: THERMODYNAMICS

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Analyzing +4 | -1
The standard reaction Gibbs energy for a chemical reaction at an absolute temperature TT is given by, ΔrG∘=A−BT{\Delta _r}{G^ \circ } = A - BT Where AA and BB are non-zero constants. Which of the following is true about this reaction?
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Correct option: D
Endothermic if, A>0A > 0
Option D (Endothermic if, A>0A > 0) is correct because if A > 0, then at T=0, ΔrG∘=A>0\Delta_r G^\circ = A > 0. As temperature increases, the reaction becomes more spontaneous if B is positive, but the initial value is endothermic.

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