Determine which reaction is a redox reaction and which one is not. Provide explanation to prove or validate your conclusions below each chemical equation; a. 2CrO42-(aq) + 2H+(aq) -----> Cr2O72-(aq) + 2H2O(l) b. NH3(aq) + HF(aq) -----> NH4+(aq) + F-(aq)

Chemistry: Matter and Change
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Chapter20: Electrochemistry
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Problem 30A
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Determine which reaction is a redox reaction and which one is not. Provide explanation to prove or validate your conclusions below each chemical equation;

a. 2CrO42-(aq) + 2H+(aq) -----> Cr2O72-(aq) + 2H2O(l)

b. NH3(aq) + HF(aq) -----> NH4+(aq) + F-(aq)

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