8.2.1 - Balancing Redox Equations (Ion-Electron Method)
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Practice Questions
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Write the half-equation for the oxidation of zinc (Zn) to Zn²⁺.
💡 Hint: What happens to the electrons in oxidation?
What is the oxidation state of sulfur in H₂SO₄?
💡 Hint: Remember the rules for assigning oxidation states.
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Interactive Quizzes
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What does the term oxidation refer to in redox reactions?
💡 Hint: Remember the mnemonic OIL RIG.
True or False: In a redox reaction, oxidation and reduction can occur independently.
💡 Hint: Think about the connection between loss and gain of electrons.
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Challenge Problems
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Balance the following redox reaction in acidic solution: Arsenic acid (H₃AsO₄) is converted to Arsenic(III) acid (H₃AsO₃) while Iodine is reduced to iodide.
💡 Hint: Start with identifying oxidation and reduction halves.
You are given the following reaction under basic conditions: C₂O₄²⁻ + MnO₄⁻ → CO₂ + MnO₂. Balance this equation using the ion-electron method.
💡 Hint: Make sure to keep track of OH⁻ ions after balancing.
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