Does acidified dichromate (Cr2O72-) have a thermodynamic tendency to oxidize mercury to mercury (I)?
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Does acidified dichromate (Cr2O72-) have a thermodynamic tendency to oxidize mercury to mercury (I)?
In the reaction of dichromate ion and iodide ion: Cr2O72-(aq) + 14 H+(aq) + 6 I-(aq) ---> 2 Cr3+(aq) + 7 H2O(l)+ 3 I2 (s) the oxidizing agent is ? and the reducing agent is ?
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Practice Exercise Aqueous dichromate ion, Cr2O72- (used to make school bus yellow pigments), reacts with iodide ion, I(aq), to form Cr3+ (aq) and 103" (aq) by the unbalanced chemical equation: Cr20-2- (aq) + I (aq) → Cr3+ (aq) + IO3- (aq) Balance this equation in acidic solution.
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