Adaptive Practice
Redox Reactions
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Question 1 of 10
⏱ 0:30
Easy
Which of the following is an example of a redox reaction?
Easy
In the reaction: Zn + CuSO₄ → ZnSO₄ + Cu, which species is oxidized?
Easy
What is the oxidation state of sulfur in H₂SO₄?
Medium
In the reaction: 2Fe²⁺ + Cl₂ → 2Fe³⁺ + 2Cl⁻, which species is the oxidizing agent?
Medium
Identify the reducing agent in the reaction: 2Na + 2H₂O → 2NaOH + H₂
Easy
Which of the following statements is TRUE for redox reactions?
Hard
In the reaction: KMnO₄ + HCl → KCl + MnCl₂ + Cl₂ + H₂O, what is the oxidation state change of Mn?
Hard
Balance the redox reaction in acidic medium: Cr₂O₇²⁻ + Fe²⁺ → Cr³⁺ + Fe³⁺. What is the coefficient of H⁺ after balancing?
Medium
Which of the following is NOT a redox reaction?
Medium
In the electrochemical cell: Zn | Zn²⁺ || Cu²⁺ | Cu, which electrode undergoes oxidation?