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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define ionization constant (Ka).
💡 Hint: What does Ka measure?
Question 2
Easy
What happens to the Ka of an acid when it is diluted?
💡 Hint: Think about the constants and their dependence on concentration.
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 a larger Ka value indicate?
- A weaker acid
- A stronger acid
- No effect on acid strength
💡 Hint: Remember what Ka measures.
Question 2
True or False: The ionization constant Ka changes with the concentration of the acid.
- True
- False
💡 Hint: Consider the nature of equilibrium constants.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A solution contains acetic acid and its sodium salt. How does this system illustrate the common ion effect? Discuss how pH changes when more acetate ion is added.
💡 Hint: Consider Le Chatelier's principle.
Question 2
Calculate the Ka of a weak acid if its 0.1 M solution has a pH of 5.0.
💡 Hint: Convert pH to hydrogen ion concentration first.
Challenge and get performance evaluation