CHM120H5 Study Guide - Midterm Guide: Reaction Rate, Isopropyl Alcohol, Sarvepalli Radhakrishnan

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Oxidation of ethanol by chromium(vi): a kinetics study. In this work, we studied the oxidation of the ch3ch2oh by hcro4. + 16h3o+ 3ch3cooh + 4cr3+ + 29 h2o (1) The reduced rate law of the ch3ch2oh - was investigated according to the procedure given in the lab manual (pages 58-60)1 and were followed correctly and thoroughly. The calculations to complete the reaction equation also followed the same procedure1 and are presented in appendix. Solution was diluted with excess hcl solution, which produced a red-orange colour, this was as described in the lab manual1. Solution, ki ions were added, the solution had produced a red-brown colour and after being titrated with. Na2s2o3 solution, it had produced a dark yellow colour. Moreover, with the addition of the aqueous thyodene, the solution was noticed to be a dark blue-purple colour. Finally, in the final titration with na2s2o3 solution, the solution was a aqua green colour.

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