HelpisNeededinChem HelpisNeededinChem 20-05-2020 Chemistry contestada Which half-reaction correctly represents reduction? * a. S²⁻+2e⁻ ⇒ S⁰ b. S²⁻⇒S⁰ + 2e⁻ c.Mn⁷⁺+3e⁻⇒Mn⁴⁺ d.Mn⁷⁺⇒Mn⁴⁺₊3e⁻
