Equilibrium questions
1777 published questions with worked solutions.
- Which information can be obtained from Le-Chatelier's principle?
- A(g)+B(g)⇌AB(g) is a reversible reaction. At equilibrium 0.4 mole of AB is formed when each of A and B are taken as one mole. How...
- Slope and intercepts of the plots log₁₀K vs 1/T are given respectively by:
- In which of the following case the reaction goes farthest to completion?
- In the system, CaF₂(s) ⇌ Ca²⁺(aq) + 2F⁻(aq), increasing the concentration of Ca²⁺ ions 4 times will cause the equilibrium...
- Consider a saturated solution (i.e. a solution in equilibrium with solid solute) of sodium chloride. If the temperature is...
- A mixture of N₂ and H₂ in the mole ratio 1:3 is allowed to attain equilibrium when 50% of mixture has reacted. If P is the...
- The reaction quotient (Q) at equilibrium is:
- On applying pressure to the equilibrium, ice ⇌ water, which phenomenon will happen?
- Densities of diamond and graphite are 3.5 and 2.3 g/mL respectively. Increase of pressure on the equilibrium C(diamond) ⇌...
- The equilibrium constants for Br₂ ⇌ 2Br at 500 K and 700 K are 1×10⁻¹⁰ and 1×10⁻⁵ respectively. The reaction is:
- The equilibrium constant for the reaction 3C₂H₂ ⇌ C₆H₆ is 4.0 at T K. If the equilibrium concentration of C₂H₂ is 0.5 mol/litre,...
- In which of the following cases does the reaction not go farthest to completion?
- For the reaction, H₂(g)+I₂(g)⇌2HI(g) at 720 K, the value of equilibrium constant is 50, when equilibrium concentration of both H₂...
- For an equilibrium reaction involving gases, the forward reaction is 1st order while the reverse reaction is 2nd order. The units...
- Chemical equilibrium is dynamic in nature because:
- Kp/Kc for the reaction CO(g)+½O₂(g)⇌CO₂(g) is:
- According to Le-Chatelier's principle, adding heat to a solid and liquid in equilibrium with endothermic (melting) nature will...
- 1.1 mole of A are mixed with 2.2 mole of B and the mixture is kept in a one litre flask till the equilibrium A+2B⇌2C+D is...
- HI was heated in a sealed tube at 440°C till equilibrium was reached, HI was found to be 22% decomposed. The equilibrium constant...
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