Which of the following equations represents a spontaneous oxidation-reductio reaction?
Reduction Half-Reactions
m⁴⁺()+⁻→m³⁺() °=+4.60
T³⁺()+2⁻→TH⁺() °=+1.25
c³⁺()+3⁻→c() °=-2.20
⁺()+⁻→() °=-3.03

a. c()³⁺()+→3()+c()³⁺
b. T()³⁺+2m³⁺()→2m()⁴⁺+T⁺()
c. 2c()³⁺+3T⁺()→3T()³⁺+2c()
d. ()+m⁴⁺()→m()³⁺+⁺()