Question: In the reaction 2Fe2O3 + 3C → 4Fe + 3CO2, what is being oxidized?
Options:
Fe2O3
C
Fe
CO2
Correct Answer: C
Solution:
Carbon (C) is being oxidized to carbon dioxide (CO2).
In the reaction 2Fe2O3 + 3C → 4Fe + 3CO2, what is being oxidized?
Practice Questions
Q1
In the reaction 2Fe2O3 + 3C → 4Fe + 3CO2, what is being oxidized?
Fe2O3
C
Fe
CO2
Questions & Step-by-Step Solutions
In the reaction 2Fe2O3 + 3C → 4Fe + 3CO2, what is being oxidized?
Correct Answer: Carbon (C)
Step 1: Identify the reactants in the reaction, which are 2Fe2O3 and 3C.
Step 2: Determine the oxidation states of the elements in the reactants and products.
Step 3: In Fe2O3, iron (Fe) has an oxidation state of +3, and oxygen (O) has an oxidation state of -2.
Step 4: In carbon dioxide (CO2), carbon (C) has an oxidation state of +4, and oxygen (O) remains at -2.
Step 5: Compare the oxidation states of carbon before and after the reaction. Carbon starts at 0 in elemental form (C) and goes to +4 in CO2.
Step 6: Since the oxidation state of carbon increases from 0 to +4, carbon is being oxidized.
Oxidation and Reduction – Oxidation involves the loss of electrons or an increase in oxidation state, while reduction involves the gain of electrons or a decrease in oxidation state.
Balancing Chemical Reactions – Understanding how to balance chemical equations is crucial for identifying reactants and products in a reaction.
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