8.1 - Oxidation States and Half-Equations
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Practice Questions
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Define oxidation and give an example.
💡 Hint: Think about what happens to zinc in terms of electron loss.
What is a reducing agent?
💡 Hint: Consider what substance does the oxidizing.
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Interactive Quizzes
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What happens during oxidation?
💡 Hint: Consider the mnemonic OIL RIG.
True or False: Reduction increases the oxidation state.
💡 Hint: Think about the effect of gaining electrons.
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Challenge Problems
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A compound contains iron in the +3 oxidation state and sulfur in the -2 oxidation state. Identify the compound and balance the redox reaction involving the conversion of this compound into iron sulfate.
💡 Hint: Start by identifying oxidation changes.
Write balanced half-equations for the oxidation of Fe²⁺ to Fe³⁺ and reduction of Cr₂O₇²⁻ to Cr³⁺ in acidic medium.
💡 Hint: Focus on balancing the charges and atoms.
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