Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the mnemonic to remember oxidation and reduction?
💡 Hint: Think about what happens during each process.
Question 2
Easy
What is the oxidation state of sodium (Na) in NaCl?
💡 Hint: Consider sodium as a Group 1 metal.
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does oxidation refer to in modern chemistry?
- Gain of electrons
- Loss of electrons
- No change in electrons
💡 Hint: Remember the mnemonic OIL RIG.
Question 2
True or False: In a redox reaction, oxidation and reduction processes occur simultaneously.
- True
- False
💡 Hint: Think about how electrons are conserved.
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Challenge Problems
Push your limits with challenges.
Question 1
Balance the following redox reaction in acidic solution: Cr₂O₇²⁻ + Fe²⁺ → Cr³⁺ + Fe³⁺.
💡 Hint: Remember to account for H⁺ ions and worry about balancing charge.
Question 2
Identify the oxidizing and reducing agents in the equation: 2Mg + O₂ → 2MgO.
💡 Hint: Check the change in oxidation states of each element.
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