Equilibrium — Practice Quiz
CBSE · Class 11 · Chemistry
Try a 4-question quiz on Equilibrium for CBSE Class 11 Chemistry: tap an answer to check it and see why. 131 questions in the full chapter test.
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Quick Quiz: Equilibrium
0/4Tap an answer to check it instantly. No sign-up needed for these 4.
In a chemical equilibrium, what remains constant?
What does the equilibrium constant (Kc) represent?
According to Le Chatelier's principle, when concentration of reactant is increased, the equilibrium will:
What is the pH of pure water at 25°C?
Sample Questions
In the Brönsted-Lowry concept, a base is defined as a:
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Proton acceptor
According to Brönsted-Lowry theory, a base is a substance capable of accepting a proton (H+).
The common ion effect will:
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Decrease solubility
When a common ion is added to a solution, it reduces the solubility of a sparingly soluble salt by shifting the equilibrium.
A catalyst in a chemical reaction will:
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Change reaction rate
A catalyst increases the rate of both forward and reverse reactions without affecting the equilibrium composition or constant.
What does Kw represent?
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Water dissociation constant
Kw represents the ionic product of water, which is the product of hydrogen and hydroxide ion concentrations.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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