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20-05-2020
Chemistry

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Which half-reaction correctly represents reduction? *

a. S²⁻+2e⁻ ⇒ S⁰

b. S²⁻⇒S⁰ + 2e⁻

c.Mn⁷⁺+3e⁻⇒Mn⁴⁺

d.Mn⁷⁺⇒Mn⁴⁺₊3e⁻

Respuesta :

lcloudrunners lcloudrunners

20-05-2020

Answer:

C

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.

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