alleryIn an exothermic reaction, as temperature INCREASES, the equilibrium constant Kc:
ADecreases (less product at higher T)
BIncreases (more product at higher T)
CRemains exactly constant always
DBecomes negative at high temperatures
Answer & Solution
Correct answer: A. Decreases (less product at higher T)
Exothermic + ↑T → equilibrium shifts BACKWARD
→ less product at equilibrium → Kc decreases.
For endothermic + ↑T: Kc increases.
van't Hoff equation quantifies this temperature dependence.
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