Asked in MDCAT Free Mock 2024 2024Moderate

Equilibrium constant for Ideal gases in terms of partial pressure in denoted by:

Correct answer: C. Kp

  • A. KC
  • B. K
  • C. Kp
  • D. None of these

Explanation

Option C is correct since equilibrium constant Kp represents the extent of the forward reaction in terms of the partial pressures of the reactant gases and product gases.Option A is incorrect since it represents the equilibrium constant in terms of concentrations of the reactants and products.Option B is incorrect since it represents only the equilibrium constant. This equilibrium constant could be in terms of mole fractions, partial pressures, or concentrations that are not clearly stated.Option D is incorrect since it states none of these which is not the case.

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About Reversible Reactions

A reversible reaction proceeds in both forward and backward directions, so reactants and products continue changing until dynamic equilibrium is established. The topic covers the meaning of equilibrium, the equality of forward and reverse rates, and how concentration, pressure and temperature disturb equilibrium, which is separate from the rate at which equilibrium is reached.

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