In the reaction 2Fe2O3 + 3C → 4Fe + 3CO2, what is being reduced? (2020) 2020

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Question: In the reaction 2Fe2O3 + 3C → 4Fe + 3CO2, what is being reduced? (2020) 2020

Options:

Correct Answer: Fe2O3

Exam Year: 2020

Solution:

Fe2O3 is reduced to Fe, as it gains electrons during the reaction.

In the reaction 2Fe2O3 + 3C → 4Fe + 3CO2, what is being reduced? (2020) 2020

In the reaction 2Fe2O3 + 3C → 4Fe + 3CO2, what is being reduced? (2020) 2020

Step 1: Identify the reactants in the reaction: 2Fe2O3 and 3C.
Step 2: Understand that reduction is the gain of electrons.
Step 3: Look at the oxidation states of the elements in Fe2O3 and Fe.
Step 4: In Fe2O3, iron (Fe) has an oxidation state of +3.
Step 5: In the product Fe, iron (Fe) has an oxidation state of 0.
Step 6: Since the oxidation state of iron decreases from +3 to 0, it means iron is gaining electrons.
Step 7: Therefore, Fe2O3 is being reduced to Fe.

Reduction – Reduction is the gain of electrons by a substance, resulting in a decrease in oxidation state.
Oxidation-Reduction Reactions – These reactions involve the transfer of electrons between substances, where one is oxidized and the other is reduced.
Oxidation States – Understanding oxidation states helps identify which species are oxidized and reduced in a reaction.