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Question
What happens when potassium dichromate is treated with acidified ferrous sulphate?
Chemical Equations/Structures
Very Short Answer
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Solution
When potassium dichromate (K2Cr2O7) is treated with acidified ferrous sulphate (FeSO4), a redox reaction takes place.
\[\ce{Cr2O^{2-}_7 + 14H+ + 6Fe^{2+} -> 2Cr^{3+} + 6Fe^{3+} + 7H2O}\]
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