Grade 12 Redox Equations Worksheet
This worksheet covers fundamental concepts and applications of redox reactions, including identifying oxidation states, balancing equations, and understanding electrochemical cells.
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Grade 12 Redox Equations Worksheet
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Read each question carefully and provide your best answer. Show all your work for calculations and balancing equations.
1. In a redox reaction, the species that loses electrons is said to be:
Reduced
Oxidized
Neutralized
Hydrolyzed
2. Which of the following statements is true about the oxidizing agent in a redox reaction?
It loses electrons.
It is oxidized.
It gains electrons.
Its oxidation number decreases.
3. The process of oxidation involves a(n) in oxidation number.
4. A substance that causes another substance to be oxidized is called a(n) agent.
5. Determine the oxidation number of sulfur in the following compounds:
a) H₂SO₄:
b) SO₂:
6. Balance the following redox reaction in acidic solution:
Cr₂O₇²⁻(aq) + Fe²⁺(aq) → Cr³⁺(aq) + Fe³⁺(aq)
7. In the reaction Zn + Cu²⁺ → Zn²⁺ + Cu, zinc is the reducing agent.
True
False
8. Observe the image below depicting a redox reaction. Identify the species being oxidized and the species being reduced.
Oxidized Species:
Reduced Species:
9. Explain the difference between an electrochemical cell and an electrolytic cell, including how redox reactions occur in each.