Equilibrium questions
1777 published questions with worked solutions.
- In which of the following, the reaction proceeds towards completion?
- **Statement 1:** The reaction, 2NO(g)+O_2(g) 2NO_2(g) is favoured in the forward direction with increase of pressure. **Statement...
- K for the synthesis of HI is 50. K for the dissociation of HI is
- A+B C+D. If finally the concentration of A and B are equal but at equilibrium, concentration of D will be twice that of A then...
- In a chemical equilibrium, the rate constant of the backward reaction is 7.5 10^ -4 and the equilibrium constant is 1.5. The rate...
- 2 moles of PCl_5 were heated in a closed vessel of 2 L capacity. At equilibrium, 40% of PCl_5 is dissociated into PCl_3 and Cl_2....
- A reaction is, A+B C+D. Initially we start with equal concentrations of A and B. At equilibrium, we find moles of C are two times...
- A reversible chemical reaction have two reactants in equilibrium. If the concentrations of the reactants are doubled then the...
- In which of the following reaction K_p>K_c?
- **Statement 1:** Ice Water, if pressure is applied water will evaporate. **Statement 2:** Increase of pressure pushes the...
- The degree of ionisation of a compound depends on:
- Degree of dissociation of 0.1 N CH_3COOH is (dissociation constant =1 10^ -5 ):
- The extent of ionisation increases:
- The degree of dissociation of 0.1 M HCN solution is 0.01%. Its ionisation constant would be:
- Which of the following will occur if a 0.1 M solution of weak acid is diluted to 0.01 M at constant temperature?
- Which will not affect the degree of ionisation?
- If is the degree of ionisation, C the concentration of a weak electrolyte, and K_a the acid ionisation constant, the correct...
- The ionisation constant of acetic acid is 1.8 10^ -5 . At what concentration will it be 2% dissociated?
- A monoprotic acid in 0.1 M solution ionises to 0.001%. Its ionisation constant is:
- The solubility of CaF_2 is 2 10^ -4 mol/L. Its K_ sp is:
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