7.3 - OXIDATION NUMBER
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Practice Questions
Test your understanding with targeted questions
What is the oxidation number of oxygen in water (H2O)?
💡 Hint: Think about the total charge.
In NaCl, what is the oxidation number of sodium?
💡 Hint: What charge does sodium typically have?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does an oxidation number indicate?
💡 Hint: Relate it to charge in compounds.
True or False: In a neutral compound, the sum of oxidation numbers is always zero.
💡 Hint: Refer to the rules of oxidation numbers.
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Challenge Problems
Push your limits with advanced challenges
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.
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.
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