Question

Which half-reaction correctly represents reduction? *

a. S²⁻+2e⁻ ⇒ S⁰

b. S²⁻⇒S⁰ + 2e⁻

c.Mn⁷⁺+3e⁻⇒Mn⁴⁺

d.Mn⁷⁺⇒Mn⁴⁺₊3e⁻

Answer 1

C

Step-by-step explanation:

Reduction can be seen through addition (gaining) of electrons, addition of Hydrogen or removal of Oxygen

Mn7+ is reduced to Mn4+ by the addition of 3 electrons.