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
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
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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![Standard sokutions 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
4
Measured excess of standard bromate is added to the sample plus an excess of
potassium bromide, excess bromine is titrated with lodide ion
a.
Excess of potassium bromide is added to the sample, excess bromide is titrated with
lodide ion
O b.
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 lodide ion](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc7555de9-7390-4c71-aa70-75bec4624705%2F694afbf9-2a84-475e-ab95-a7e27d017d47%2Flea8ym7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Standard sokutions 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
4
Measured excess of standard bromate is added to the sample plus an excess of
potassium bromide, excess bromine is titrated with lodide ion
a.
Excess of potassium bromide is added to the sample, excess bromide is titrated with
lodide ion
O b.
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 lodide ion
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