2CLabManual201303

Four choices will be given an excess of h2o2 has been

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Unformatted text preview: en. Which of the following reasons correctly explains the color changes that take place when 8 mL of the 10% H2O2 is added to the solution of dichlorobis(ethylenediamine)cobalt(II)? Four choices will be given. An excess of H2O2 has been used in this step since cobalt(II) is oxidized in the presence of the decomposing hydrogen peroxide. In the reduction half reaction of H2O2 in a basic solution hydroxide ions are formed, 2e- + H2O2(aq) 2OH-(aq). Which of the following is the correct balanced ionic equation for the redox reaction occurring when the hydrogen peroxide is added to dichlorobis(ethylenediamine)cobalt(II) solution? Three choices will be given. Which of the following is the correct balanced equation for the reaction that takes place when concentrated hydrochloric acid is added to dichlorobis(ethylenediamine)cobalt(III) hydroxide solution? Three choices will be given. The following few questions will lead you through the calculation of the percent yield of product. You were instructed to use approx...
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This note was uploaded on 04/09/2013 for the course CHE CHE 2C taught by Professor Nasiri during the Spring '07 term at UC Davis.

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