Essential Chemistry for IGCSE - Chemical Reactions (Section 1 - No. 33)
In the reaction: Fe²⁺(aq) + Cr₂O₇²⁻(aq) → Fe³⁺(aq) + Cr³⁺(aq) (unbalanced). What is being reduced?
Fe²⁺
Cr₂O₇²⁻
Fe³⁺
Cr³⁺
Explanation
Reduction is the gain of electrons; Cr₂O₇²⁻ is reduced.
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