Question

Which half-reaction correctly shows the oxidation of iron

Answer 1

Answer: The half-reaction correctly shows the oxidation of iron $Fe\rightarrow Fe^{2+}+2e^-$

Explanation:

Oxidation-reduction reaction or redox reaction is defined as the reaction in which oxidation and reduction reactions occur simultaneously.

Oxidation reaction is defined as the reaction in which a substance looses its electrons. The oxidation state of the substance increases.

The oxidation of iron is represented as:

$Fe\rightarrow Fe^{2+}+2e^-$

Reduction reaction is defined as the reaction in which a substance gains electrons. The oxidation state of the substance gets reduced.

The reduction of iron is represented as:

$Fe^{2+}+2e^-\rightarrow Fe$