WAEC Chemistry 2018 Objective — Question 24

Question 24 of 50 from the West African Examinations Council (WAEC) Chemistry 2018 Objective paper, with the correct answer and a full explanation.

The position of equilibrium in a reversible reaction is affected by

A. particle size of the reactants
B. vigorous stirring of the reaction mixture
C. presence of a catalyst
D. change in concentration of reactantsCorrect

Explanation

The position of equilibrium is affected by concentration, pressure, and temperature changes — not by particle size, stirring, or catalysts (which only affect rate).

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