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Which of the following is an example of an oxidation reaction? (2020)

Practice Questions

Q1
Which of the following is an example of an oxidation reaction? (2020)
  1. 2H2 + O2 → 2H2O
  2. C + O2 → CO2
  3. Fe + CuSO4 → FeSO4 + Cu
  4. Na + Cl2 → NaCl

Questions & Step-by-Step Solutions

Which of the following is an example of an oxidation reaction? (2020)
  • Step 1: Understand what oxidation means. Oxidation is a process where a substance loses electrons.
  • Step 2: Look at the reaction given: C + O2 → CO2.
  • Step 3: Identify the elements involved. Here, we have carbon (C) and oxygen (O2).
  • Step 4: Determine what happens to carbon in the reaction. Carbon combines with oxygen to form carbon dioxide (CO2).
  • Step 5: Recognize that when carbon forms CO2, it loses electrons. This loss of electrons is what we call oxidation.
  • Step 6: Conclude that in this reaction, carbon is oxidized because it loses electrons to become part of CO2.
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