the weakest reducing agent
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What criteria do you use to determine that an ion is the weakest reducing agent among several substances?
Examine the following half-reactions and select the weakest reducing agent among the substances:
Cr(OH)3(s) + 3e- <--> Cr(s) + 3OH-(aq) E= -1.48V
SnO2(s) + 2H20(l) + 4e- <--> Sn(s) + 4OH-(aq) E= -0.945V
MnO2(s) + 4H+(aq) + 2e- <--> Mn2+(aq) + 2H2O(l) E= 1.224V
Hg2SO4(s) + 2e- <--> 2Hg(l) + SO42-(aq) E= 0.613 V
Answer choices are:
Cr(s)
Sn(s)
MN2+(aq)
Hg(l)
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Solution Summary
It shows how to determine the weakest reducing agent given the half-reactions.
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In order to tell which is the strongest reducing agent, change the sign of its respective reduction potential in order to make ...
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