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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the oxidation number of oxygen in H2O?
💡 Hint: Recall the usual oxidation state of oxygen in compounds.
Question 2
Easy
What is the oxidation number of sodium in NaCl?
💡 Hint: Consider the charge of sodium when it's in an ionic compound.
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 is the oxidation number of chlorine in ext{Cl}^-?
- 0
- -1
- +1
💡 Hint: Think about the charge of the ion.
Question 2
In a neutral compound, the sum of the oxidation numbers must equal what?
- True
- False
💡 Hint: Remember what we discussed about the rules of oxidation.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Assign oxidation numbers in this reaction: 3 ext{HCl} + ext{Cl}_2 → 2 ext{H}_2 ext{O} + 2 ext{Cl}^-.
💡 Hint: Carefully track the changes to each atom.
Question 2
Explain the process of balancing this redox reaction half-equation: MnO4− + Fe^2+ → Mn^2+ + Fe^3+ in acidic conditions.
💡 Hint: Use what you learned about balancing half-reactions in different media.
Challenge and get performance evaluation