The standard reaction....| Thermodynamics | JEE MAIN 2019

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JEE MAIN 2019

11-01-2019 S2

Question

The standard reaction Gibbs energy for a chemical reaction at an absolute temperature T is given by $\Delta_{\mathrm{r}} \mathrm{G}^{\circ}=\mathrm{A}-\mathrm{BT}$ Where $A$ and $B$ are non-zero constants. Which of the following is true about this reaction?

Select the correct option:

A

Exothermic if B < 0

B

Endothermic if A > 0

C

Endothermic if A < 0 and B > 0

D

Exothermic if A > 0 and B < 0

✓ Correct! Well done.

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