The blood alcohol (C2H5OH) level can be determined by
Chapter 4, Problem 98(choose chapter or problem)
The blood alcohol (C2H5OH) level can be determined by titrating a sample of blood plasma with an acidic potassium dichromate solution, resulting in the production of Cr3(aq) and carbon dioxide. The reaction can be monitored because the dichromate ion (Cr2O7 2) is orange in solution, and the Cr3 ion is green. The balanced equation is This reaction is an oxidationreduction reaction. What species is reduced, and what species is oxidized? How many electrons are transferred in the balanced equation above?
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