Practice - Oxidation States
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the oxidation state of an element in its elemental form?
💡 Hint: Think of oxygen or nitrogen in their diatomic forms.
In a neutral compound, what must the sum of oxidation states equal?
💡 Hint: Consider how various elements combine to form water or carbon dioxide.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the oxidation state of oxygen in most compounds?
💡 Hint: Remember the common exceptions for oxidation states.
True or False: The oxidation state of carbon in CO₂ is +4.
💡 Hint: Consider how the sum of oxidation states works in compounds.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Predict the oxidation states of phosphorus in the phosphoric acid (H₃PO₄) compound.
💡 Hint: Balance the oxidation states according to the hydrogen and oxygen contributions.
Consider the reaction between iron (Fe) and copper(II) oxide (CuO). What are the oxidation states of iron before and after the reaction?
💡 Hint: Look at the initial neutral states of reactants and determine how they change.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.