Standard Electrode Potentials and Disproportionation
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Given the following standard electrode reduction potentials,
ClO3- + 2H2O <- -> ClO- + 4OH- E° = +0.50V
ClO- + H2O + 2e- <- -> Cl- + 2OH- E° = +0.89V
Predict whether or not CLO- will disproportionate in alkaline solution to give Cl- and ClO3- according to the following reaction:
3ClO- -> 2Cl- + ClO3-
Show a calculation to support answer.
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Solution Summary
This solution combines two reduction potentials to create an electrochemical equation and then judges whether or not a reaction will occur based on this equation.
Solution Preview
This problem is based on adding two equations. First, you know two Cl- ions are formed. This means the second equation needs to be doubled. In redox problems, doubling the reaction does not double to potential. It will stay at 0.89 ...
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