In a titration experiment, H2O2(aq) reacts with aqueous MnO4^1- (aq) as represented by the equation below. The dark purple KMnO4 solution is added from a buret to a colorless, acidified solution of H2O2(aq) in an Erlenmeyer flask. (Note: At the endpoint of the titration, the solution is a pale pink color.) Which element is being oxidized during the titration, and what is the element’s change in oxidation number? a.) Oxygen, which changes from -1 to 0 b.) Oxygen, which changes from 0 to -2 c.) Manganese, which changes from -1 to+2 d.) Manganese, which changes from +7 to +2
In a titration experiment, H2O2(aq) reacts with aqueous MnO4^1- (aq) as represented by the equation below. The dark purple KMnO4 solution is added from a buret to a colorless, acidified solution of H2O2(aq) in an Erlenmeyer flask. (Note: At the endpoint of the titration, the solution is a pale pink color.) Which element is being oxidized during the titration, and what is the element’s change in oxidation number? a.) Oxygen, which changes from -1 to 0 b.) Oxygen, which changes from 0 to -2 c.) Manganese, which changes from -1 to+2 d.) Manganese, which changes from +7 to +2
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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In a titration experiment, H2O2(aq) reacts with aqueous MnO4^1-
(aq) as represented by the equation below.
The dark purple KMnO4 solution is added from a buret to a colorless, acidified solution of H2O2(aq) in an
Erlenmeyer flask. (Note: At the endpoint of the titration, the solution is a pale pink color.)
Which element is being oxidized during the titration, and what is the element’s change in oxidation number?
a.) Oxygen, which changes from -1 to 0
b.) Oxygen, which changes from 0 to -2
c.) Manganese, which changes from -1 to+2
d.) Manganese, which changes from +7 to
+2
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