Asked in Premeth Test 23 — Chemical Kinetics and Chemical Equilibrium (25 March 2025) 2025Moderate

All of the following are applications of Kc EXCEPT:

Correct answer: C. It tells about the rate of reaction

  • A. It helps to predict the direction of the reaction
  • B. It tells about the extent of the reaction
  • C. It tells about the rate of reaction
  • D. None of these

Explanation

The equilibrium constant, Kc, is a measure of the ratio of product concentrations to reactant concentrations at equilibrium for a given reaction. It provides valuable information about the direction in which a reaction will proceed

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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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