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← ScienceWhich outcome results when intermediate gas is withdrawn during synthesis?
A)Equilibrium constant value stays unchanged
B)Forward reaction rate slows down✓
C)Reverse reaction activation energy lowers
D)Catalyst effectiveness improves drastically
💡 Explanation
Withdrawing the intermediate gas reduces its partial pressure, shifting the equilibrium to favor reactants because the reaction attempts to replenish the withdrawn gas via Le Chatelier's principle; therefore the forward rate slows down, rather than options where equilibrium values or activation barriers change.
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