Given the following standard reduction potentials:
Cu²⁺ + 2e⁻ -> Cu, E° = +0.34 V
PbSO₄ + 2e⁻ -> Pb + SO₄²⁻, E° = -0.36 V
I₂ + 2e⁻ -> 2I⁻, E° = +0.54 V
Which_____.
a) Element is the best reducing agent?
b) Element is the best oxidizing agent?
c) Reaction is most likely to occur spontaneously?
d) Element has the highest reduction potential?