Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Write the half-equation for the oxidation of zinc (Zn) to Zn²⁺.
💡 Hint: What happens to the electrons in oxidation?
Question 2
Easy
What is the oxidation state of sulfur in H₂SO₄?
💡 Hint: Remember the rules for assigning oxidation states.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the term oxidation refer to in redox reactions?
- 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 can occur independently.
- True
- False
💡 Hint: Think about the connection between loss and gain of electrons.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation