Practice Conjugate Acid-Base Pairs and Reaction Direction - 1.4 | Unit 8: Acids and Bases | IB Grade 11: Chemistry
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Conjugate Acid-Base Pairs and Reaction Direction

1.4 - Conjugate Acid-Base Pairs and Reaction Direction

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define conjugate base.

💡 Hint: Think about what happens to an acid during a reaction.

Question 2 Easy

What does Ka represent?

💡 Hint: Look at the concept of how dissociation works.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What happens to an acid when it donates a proton?

It becomes a conjugate acid
It becomes a conjugate base
It remains unchanged

💡 Hint: Consider the definition of a conjugate base.

Question 2

Is the conjugate base of a weak acid strong or weak?

True
False

💡 Hint: Reflect on the relationship between acids and their conjugate bases.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A weak acid HA has a Ka = 1.0 × 10⁻⁴. Calculate its Kb and explain the significance of the relationship.

💡 Hint: Use the given Ka value in conjunction with Kw.

Challenge 2 Hard

Analyze the equilibrium position of a reaction involving a weak acid (with smaller Ka) and a strong base. Which side is favored and why?

💡 Hint: Reflect on the dynamic behavior of weak versus strong entities.

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