Multiple Choice
Determine which of the following pairs of reactants will result in a spontaneous reaction at 25 °C.
A) Sn4+(aq) + Mg(s) ; if E°(Sn4+/Sn2+) = +0.15V and E°(Mg2+/Mg) = -2.37V
B) Cr3+(aq) + Ni(s) ; if E°(Cr3+/Cr) = -0.73V and E°(Ni2+/Ni) = -0.23V
C) Zn(s) + Na+(aq) ; if E°(Zn2+/Zn) = -0.76V and E°(Na+/Na) = -2.71V
D) Fe(s) + Ba2+(aq) ; if E°(Fe3+/Fe) = -0.04V and E°(Ba2+/Ba) = -2.90V
E) Ni2+(aq) + NO(g) ; if E°(Ni2+/Ni) = -0.23V and E°(NO3-/NO) = +0.96V
Correct Answer:
Verified
Correct Answer:
Verified
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