Equilibrium questions
1777 published questions with worked solutions.
- Predict the conditions for forward reaction on the basis of Le-Chatelier's principle for: 2SO₂(g)+O₂(g)⇌2SO₃(g); ΔH=−198 kJ.
- In an equilibrium reaction, if ΔG°=0, the equilibrium constant, K should be equal to:
- Consider the reversible reaction, HCN(aq)⇌H⁺(aq)+CN⁻(aq). At equilibrium, the addition of CN⁻(aq) would:
- Eight mole of a gas AB₃ attain equilibrium in a closed container of volume 1 dm³ as, 2AB₃⇌A₂(g)+3B₂(g). If at equilibrium 2 mole...
- m₁A+m₂B⇌n₁C+n₂D is given by:
- The equilibrium constant for a reaction is 1×10²⁰ at 300 K. The standard Gibbs energy change for this reaction is:
- When CO₂ dissolves in water, the following equilibrium is established, CO₂+2H₂O⇌H₃O⁺+HCO₃⁻, for which the equilibrium constant is...
- For the reaction, CO(g)+Cl₂(g)⇌COCl₂(g), the value of Kp/Kc is equal to:
- The equilibrium constant of a reaction is 20.0. At equilibrium, the rate constant of forward reaction is 10.0. The rate constant...
- A reaction attains equilibrium when the Gibbs energy change accompanying the reaction is:
- In which of the following equilibrium, change in volume of the system does not alter the number of moles?
- For the reaction: CO(g)+½O₂(g)⇌CO₂(g), Kp/Kc is:
- The equilibrium constant Kc for A(g)⇌B(g) is 1.1. Gas B will have molar concentration greater than A if:
- For the reaction equilibrium, 2NOBr(g)⇌2NO(g)+Br₂(g), if P_Br₂=P/9 at equilibrium and P is total pressure. The ratio Kp/P is...
- The equilibrium constants for the reactions are: H₃PO₄⇌H⁺+H₂PO₄⁻; K₁. H₂PO₄⁻⇌H⁺+HPO₄²⁻; K₂. HPO₄²⁻⇌H⁺+PO₄³⁻; K₃. The equilibrium...
- In a reaction at equilibrium 'X' mole of the reactant A decomposes to give 1 mole each of C and D. If the fraction of A...
- When CaCO₃ is heated at a constant temperature in a closed container, the pressure due to CO₂ produced will:
- Which one is not a buffer?
- The aqueous solution of disodium hydrogen phosphate is:
- Which is Lewis base?
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