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 & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
Section4.8: Stoichiometry Of Reactions In Aqueous Solution-titrations
Problem 4.11CYU: Hydrochloric acid. HCl, with a concentration of 0.100 M can be purchased from chemical supply...
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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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