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3. Consider the couples I2/I¯ and S4O6²/S2O3²-. I2 is brown in water-solution, and the other three species are colourless. It is found that if a solution of iodine is mixed with excess of the reductant in the S4O6-/S203²- couple, the iodine is reduced to iodide ion, F. a) Which is the reductant in the S406-/S203²- couple? b) What observation would show that iodine has been reduced by the reductant in the S,06/S203- couple? c) Write the balanced equation for the reaction described above.

3. Consider the couples I2/I¯ and S4O6²/S2O3²-. I2 is brown in water-solution, and the other three species are colourless. It is found that if a solution of iodine is mixed with excess of the reductant in the S4O6-/S203²- couple, the iodine is reduced to iodide ion, F. a) Which is the reductant in the S406-/S203²- couple? b) What observation would show that iodine has been reduced by the reductant in the S,06/S203- couple? c) Write the balanced equation for the reaction described above.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Consider the couples l2/1¯ and S4O6²/S2O3?-. 2 is brown in water-solution, and the other three species are colourless. It is found that if a solution of iodine is mixed with excess of the reductant 3. in the S.O6-/S203?- couple, the iodine is reduced to iodide ion, r. a) Which is the reductant in the S406-/S2032- couple? b) What observation would show that iodine has been reduced by the reductant in the S406-/S203- couple? c) Write the balanced equation for the reaction described above. 9/ 11
Transcribed Image Text:Consider the couples l2/1¯ and S4O6²/S2O3?-. 2 is brown in water-solution, and the other three species are colourless. It is found that if a solution of iodine is mixed with excess of the reductant 3. in the S.O6-/S203?- couple, the iodine is reduced to iodide ion, r. a) Which is the reductant in the S406-/S2032- couple? b) What observation would show that iodine has been reduced by the reductant in the S406-/S203- couple? c) Write the balanced equation for the reaction described above. 9/ 11
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