1. Make a complete schematic diagram for the precipitation, separation, and identification of Group III Cations. 2. What is the use of sodium bismuthate in the test for manganous ion? 3. What is the purpose of adding excess sodium peroxide? 4. Write a balanced chemical equation for each of the following: a. precipitation of nickel ion b. identification of zinc ion c. ferric sulfide + hydronium ion d. identification of manganese ion Result Data and Results: Substance being tested Reagent added Conclusion

1. Make a complete schematic diagram for the precipitation, separation, and identification of Group III Cations. 2. What is the use of sodium bismuthate in the test for manganous ion? 3. What is the purpose of adding excess sodium peroxide? 4. Write a balanced chemical equation for each of the following: a. precipitation of nickel ion b. identification of zinc ion c. ferric sulfide + hydronium ion d. identification of manganese ion Result Data and Results: Substance being tested Reagent added Conclusion

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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EQUATIONS 1. The formation of molecular bromine (Br2) from HBr and KBrO3 must be derived using redox reactions. a. Write the balanced (ionic) redox equation for the conversion of BrO3 into Br2 under acidic conditions. Label the half reaction as either oxidation or reduction. b. Write the balanced (ionic) redox equation for the conversion of Br¯ into Br2 under acidic conditions. Label the half reaction as either oxidation or reduction. c. Write the balanced net (ionic) redox reaction (reduced to the lowest whole number coefficients) d. Rewrite the balanced net redox equation in complete (molecular) form using KBrO3, HBr and CH3COOH as the reactants. (note that this step may require a bit of manipulation as there are two sources of Ht: HBr and CH3COOH) 2. Write the equation for the reaction of acetanilide with molecular bromine (for the organic compounds, draw the full structures, not condensed formulae). 3. Write the balanced equation for this experiment by adding these two equations.…