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What happens when H2S is passed in an acidified solution of K2Cr2O7? - Chemistry (Theory)

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What happens when H2S is passed in an acidified solution of K2Cr2O7?

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उत्तर

When potassium dichromate (K2Cr2O7) is treated with acidified ferrous sulphate (FeSO4), a redox reaction takes place.

\[\ce{Cr2O^{2-}_7+ 14H+ + 6Fe^{2+} -> 2Cr^{3+} + 7H2O}\]

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