In the context of redox reactions, what happens to the oxidation state of mangan

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Question: In the context of redox reactions, what happens to the oxidation state of manganese in the reaction MnO4- + 8H+ + 5e- → Mn2+ + 4H2O?

Options:

Correct Answer: It decreases

Solution:

The oxidation state of manganese decreases from +7 in MnO4- to +2 in Mn2+.

In the context of redox reactions, what happens to the oxidation state of manganese in the reaction MnO4- + 8H+ + 5e- → Mn2+ + 4H2O?

In the context of redox reactions, what happens to the oxidation state of manganese in the reaction MnO4- + 8H+ + 5e- → Mn2+ + 4H2O?

Step 1: Identify the oxidation state of manganese in MnO4-. Manganese (Mn) has an oxidation state of +7 in this compound.
Step 2: Identify the oxidation state of manganese in Mn2+. In this compound, manganese has an oxidation state of +2.
Step 3: Compare the oxidation states. The oxidation state changes from +7 in MnO4- to +2 in Mn2+.
Step 4: Determine the change in oxidation state. The oxidation state decreases from +7 to +2, which is a decrease of 5.

Oxidation State Changes – Understanding how to determine the oxidation states of elements in compounds and how they change during redox reactions.
Redox Reactions – Knowledge of reduction and oxidation processes, including the transfer of electrons and changes in oxidation states.