Moderate

If Ke value is very small then equilibrium position will shift

Correct answer: A. Towards left

  • A. Towards left
  • B. Towards right
  • C. Remains unchanged
  • D. It is always constant value

Explanation

The equilibrium constant (Ke) provides insight into the position of equilibrium in a chemical reaction. A very small Ke value suggests that, at equilibrium, the concentration of reactants is much higher than that of the products, indicating that the equilibrium position is towards the left. This means the reaction favors the formation of reactants. Option A is correct as it reflects this understanding. Option B is incorrect because it describes a scenario where Ke is large, not small. Option C is incorrect because equilibrium does indeed shift based on Ke values. Option D confuses the constancy of Ke with equilibrium position, which is variable.

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About Chemical Equilibrium

Reversible reactions reach dynamic equilibrium when forward and reverse rates become equal, and Le Chatelier's principle predicts the effect of changing concentration, pressure or temperature. The chapter also covers solubility product, the common ion effect, buffer action and the conditions used in Haber's process, with equilibrium shifts distinguished from changes in the equilibrium constant.

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