What will be the effect of increase in pressure on the following system at equilibrium? 2NH2(g) N2(g) + 3H2(g)

What will be the effect of increase in pressure on the following system at equilibrium? 2NH_2(g) N_2(g) + 3H_2(g)

A Activation energy will decrease
B the forward reaction will be favoured
C the concentration of ammonia will increase
D the reaction will go to completion

waec 1999 chemistry

The correct answer is C. the concentration of ammonia will increase

No explanation given

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