In acidic solution

CHEMISTRY · Subjective · A Level · Chemistry · Oxidation, reduction and redox reactions · Oxidation, reduction and redox reactions

Problem

In acidic solution, the skeletal reaction below occurs: Fe²⁺(aq) + Cr₂O₇²⁻(aq) → Fe³⁺(aq) + Cr³⁺(aq) Determine the coefficient of Fe²⁺ when the overall net ionic equation is balanced using the smallest whole-number coefficients.

Related theory

Balancing Equations
Redox Reactions
Half-reaction method
Balancing Redox Reactions
Oxidation and reduction

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