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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Reversible reactions and equilibrium

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Reversible reactions and equilibrium

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Paper 3Theory (Core)2 marks

Understanding equilibrium in reversible reactions is essential.

Description

Equilibrium in Reversible Reactions

At equilibrium, the rates of the forward and reverse reactions are equal, and the concentrations of reactants and products remain constant. This is represented by the symbol ⇌.

  1. a

    Identify two characteristics of a reversible reaction.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Reversible reactions and equilibrium

Paper 3Theory (Core)1 marks

Description

Reversible Reactions

In a reversible reaction, the products can react to form the original reactants again, indicated by the symbol ⇌. This concept is crucial in understanding chemical equilibrium.

  1. a

    State the meaning of the symbol ⇌ in a chemical reaction.

    Aim for approximately 1 distinct marking point.

    [1]