Questions/D & F Block/Write the ionic equa...
Potassium DichromateD & F Block

Write the ionic equation for Fe2+Fe^{2+}oxidation by dichromate.

Expert Answer

Cr2O72+14H++6Fe2+2Cr3++6Fe3++7H2OCr_2O_7^{2-} + 14H^+ + 6Fe^{2+} \rightarrow 2Cr^{3+} + 6Fe^{3+} + 7H_2O.

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