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To calculate E for a redax reaction before the titration begins can be calculated from a. The titrant couple b. Using the E for both half reactions C The analyte couple d. Can't be calculated

To calculate E for a redax reaction before the titration begins can be calculated from a. The titrant couple b. Using the E for both half reactions C The analyte couple d. Can't be calculated

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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To calculate E for a redox reaction before the titration begins can be calculated from 1. a. The titrant couple b. Using the E for both half reactions C. The analyte couple d. Can't be calculated Which of the following statements is incorrect 2 a. A primary-standard grade salt of cerium(IV) is available b. cerium (IVM solutions decompse slowly thus require occasional restandardization. c. Solutions of cerium (IV) in sulfuric acid are more stable than those of KMNO. d. solution is more widely used than cerium(IV) solution as an oxidizing agent. Standard solutions of most reductants are used in back titration because. a. Their reactions with the analyte are very slow b. The endpoints can't be detected C They undergo reaction with atmospheric oxygen d. All of the above Which statement is correct when using bromine as an oxidant O a. Measured excess of standard bromate is added to the sample plus an excess of potassium bromide, excess bromine is titrated with Iodide ion Ob. Excess of potassium bromide is added to the sample, excess bromide is titrated with Iodide ion O C. Excess of standard bromate is added to the solution, then excess bromate is determined by its titration against lodide ion Excess of standard bromate is added to the solution, then excess bromate is determined by its titration against Iodide ion
Transcribed Image Text:To calculate E for a redox reaction before the titration begins can be calculated from 1. a. The titrant couple b. Using the E for both half reactions C. The analyte couple d. Can't be calculated Which of the following statements is incorrect 2 a. A primary-standard grade salt of cerium(IV) is available b. cerium (IVM solutions decompse slowly thus require occasional restandardization. c. Solutions of cerium (IV) in sulfuric acid are more stable than those of KMNO. d. solution is more widely used than cerium(IV) solution as an oxidizing agent. Standard solutions of most reductants are used in back titration because. a. Their reactions with the analyte are very slow b. The endpoints can't be detected C They undergo reaction with atmospheric oxygen d. All of the above Which statement is correct when using bromine as an oxidant O a. Measured excess of standard bromate is added to the sample plus an excess of potassium bromide, excess bromine is titrated with Iodide ion Ob. Excess of potassium bromide is added to the sample, excess bromide is titrated with Iodide ion O C. Excess of standard bromate is added to the solution, then excess bromate is determined by its titration against lodide ion Excess of standard bromate is added to the solution, then excess bromate is determined by its titration against Iodide ion
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