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d and f BLOCK ELEMENTS
Question #40066
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What happens when Potassium Dichromate reacts with an iron(II) solution in acidic medium?
A. Cr₂O₇²⁻ is oxidized to CrO₄²⁻.
B. Cr₂O₇²⁻ is reduced to Cr³⁺, and Fe²⁺ is oxidized to Fe³⁺.
C. Cr₂O₇²⁻ precipitates.
D. Fe²⁺ reduces Cr₂O₇²⁻ to metallic Cr.
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