Equilibrium – Equilibrium Constant (Kp, Kc), Le Chatelier's Principle
Chemistry · Grade 11 · Week 19 · 25 questions
Equilibrium is a core Grade 11 chemistry chapter covering Equilibrium Constant (Kp, Kc) and Le Chatelier's Principle. A strong base in these ideas makes organic, inorganic, and physical chemistry much more approachable later.
What you'll practise
- Calculate Equilibrium Constant (Kp, Kc)
- State and apply Le Chatelier's Principle
- Apply equilibrium concepts to NCERT exercise and exemplar problems
All 25 questions in this Equilibrium – Equilibrium Constant (Kp, Kc), Le Chatelier's Principle quiz
Grade 11 Chemistry — Equilibrium – Equilibrium Constant (Kp, Kc), Le Chatelier's Principle: 25 practice questions with instant scoring and explanations.
- Le Chatelier's principle states system responds to disturbance by:
- Adding more reactant shifts equilibrium:
- Removing product shifts equilibrium:
- For N₂ + 3H₂ ⇌ 2NH₃, increasing pressure favors:
- For N₂O₄ ⇌ 2NO₂, increasing pressure:
- Adding inert gas at constant V:
- Adding inert gas at constant P:
- For exothermic reaction, increasing T:
- For endothermic reaction, increasing T:
- Catalyst effect on equilibrium:
- Haber process uses catalyst:
- Contact process produces H₂SO₄ via:
- Optimum T for Haber process:
- Optimum P for Haber process:
- For A(g) ⇌ B(g), halving V:
- For PCl₅ ⇌ PCl₃ + Cl₂, increasing V:
- Vapor pressure of water increases with:
- Henry's law: solubility of gas ∝
- Raoult's law for solvent:
- Van't Hoff equation: d(lnK)/dT =
- If ΔH > 0, K increases with:
- If ΔH < 0, K decreases with:
- CO(g) + H₂O(g) ⇌ CO₂(g) + H₂(g), ΔH=−ve. Increasing T:
- Equilibrium is dynamic — this means:
- Degree of dissociation α for PCl₅ ⇌ PCl₃ + Cl₂ increases with:
Question 1 of 250 correct so far