Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define oxidation and give an example.
💡 Hint: Think about what happens to zinc in terms of electron loss.
Question 2
Easy
What is a reducing agent?
💡 Hint: Consider what substance does the oxidizing.
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What happens during oxidation?
- Gain of electrons
- Loss of electrons
- No electron transfer
💡 Hint: Consider the mnemonic OIL RIG.
Question 2
True or False: Reduction increases the oxidation state.
- True
- False
💡 Hint: Think about the effect of gaining electrons.
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Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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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