Consider the couples l2/1¯ and S4O6²/S2O3?-. 2 is brown in water-solution, and the other threespecies are colourless. It is found that if a solution of iodine is mixed with excess of the reductant3.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 theS406-/S203- couple?c)Write the balanced equation for the reaction described above.9/ 11

It is an example of redox reaction Here we are required to find the overall balanced redox reaction…

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.

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter14: Applications Of Ultraviolet-visible Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 14.7QAP: A 3.03-g petroleum specimen was decomposed by wet ashing and subsequently diluted to 500 mL in a...

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