Practice Oxidation and Reduction Reactions - 2 | Unit 9: Redox Processes | IB Grade 11: Chemistry
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Oxidation and Reduction Reactions

2 - Oxidation and Reduction Reactions

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is oxidation?

💡 Hint: Think about the increase in oxidation number.

Question 2 Easy

Give an example of a substance that undergoes reduction.

💡 Hint: Consider which element gains electrons in reactions.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the oxidation state of sulfur in H2SO4?

+6
0
-2
+4

💡 Hint: Think about balancing the overall oxidation states in the compound.

Question 2

True or False: All oxidation reactions are accompanied by reduction reactions.

True
False

💡 Hint: Remember LEO and GER concepts.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Propose a balanced redox reaction in basic conditions for the oxidation of iodide ions (I-) to iodine (I2).

💡 Hint: Divide into half-reactions and add water and OH- to balance.

Challenge 2 Hard

Explain the biochemical significance of redox reactions in cellular respiration.

💡 Hint: Consider the role of NADH and FADH2 in metabolism.

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