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in Chemistry by (24.7k points)
According to the standard reduction potentials:
`Pb^(2+)(aq) + 2e^(-) rightarrow Pb(s)` `E^(@) = -0.13V`
`Fe^(2+)(aq) + 2e^(-) rightarrow Fe(s)` `E^(@) = -0.44`
`Zn^(2+)(aq) + 2e^(-) rightarrow Zn(s)` `E^(@) = -0.76V`
Which species will reduce `Mn^(3+)` to `Mn^(2+) [E^(@) = 1.51V` but will NOT reduce `Cr^(3+) to Cr^(2+) [E^(@) = -0.40V]`
A. Pb only
B. Zn only
C. Pb and Fe only
D. Pb, Fe, and Zn

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