Consider the reaction represented by the following equation: N2(g) + 3H2(g) ⇌ 2NH3(g); ∆H =...

WAEC 2007

Consider the reaction represented by the following equation: N_2(g) + 3H_2(g) ⇌ 2NH_3(g); ∆H = - 92kJmol¹. Finely divided iron is used as catalyst in the reaction in order to

A. lower the value of ∆H
B. increase the time for attainment of equilibrium
C. shorten the time for attainment of equilibrium
D. decrease the yield of ammonia

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Correct Answer: Option C

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