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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 water (H2O)?
💡 Hint: Think about the total charge.
Question 2
Easy
In NaCl, what is the oxidation number of sodium?
💡 Hint: What charge does sodium typically have?
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 an oxidation number indicate?
- Charge on an element
- Number of protons
- Total electrons
💡 Hint: Relate it to charge in compounds.
Question 2
True or False: In a neutral compound, the sum of oxidation numbers is always zero.
- True
- False
💡 Hint: Refer to the rules of oxidation numbers.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Assign oxidation numbers to the elements in the compound KMnO4 and explain their significance in a redox reaction.
💡 Hint: Use the rules for charges and remember to sum to zero.
Question 2
Explain why the oxidation number of sulfur in SnO2 can be considered both +4 and +6 when mixed with oxygen.
💡 Hint: Think about different bonding scenarios and how they affect oxidation states.
Challenge and get performance evaluation