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JAMB Chemistry 1997 Question 30

Question 30

Chemical Equilibrium

mE + nF ⇌ pG + qH. In the equation above, the equilibrium constant is given by

  1. A.[E]m[F]n/[G]p[H]q
  2. B.[E][F]/[G][H]
  3. C.[G]p[H]q/[E]m[F]n
  4. D.[G][H]/[E][F]
Show the answer and explanation

Answer: C ([G]p[H]q/[E]m[F]n)

Explanation

K is the product of the product concentrations divided by the product of the reactant concentrations, each raised to the power of its coefficient in the balanced equation.