Equilibrium questions
1777 published questions with worked solutions.
- Kc for A+B⇌C+D is 10 at 25°C. If a container contains 1,2,3,4 mole per litre of A,B,C,D respectively, the reaction shall:
- In an aqueous solution of volume 500 mL, when the reaction 2Ag⁺ + Cu ⇌ Cu²⁺ + 2Ag reaches equilibrium the [Cu²⁺] was x M. When...
- If little heat is added to an ice ⇌ liquid equilibrium in a sealed container, then:
- For which reaction Kp ≠ Kc?
- Which can be explained as applications of Le-Chatelier's principle?
- A higher value for equilibrium constant, K shows that:
- A quantity of PCl₅ was heated in a 10 litre vessel at 250°C to form PCl₅(g) ⇌ PCl₃(g) + Cl₂(g). At equilibrium, the vessel...
- Partial pressures of CH₃OH(g), CO(g) and H₂(g) at equilibrium for CO(g)+2H₂(g)⇌CH₃OH(g) are 2.0, 1.0 and 0.1 atm respectively at...
- 28 g N₂ and 6 g H₂ were mixed. At equilibrium 17 g NH₃ was formed. The weight of N₂ and H₂ at equilibrium are respectively:
- Equilibrium concentration of HI, I₂ and H₂ are 0.7, 0.1 and 0.1 M respectively. The equilibrium constant for I₂ + H₂ ⇌ 2HI is:
- For the reaction 2NO₂(g) ⇌ 2NO(g) + O₂(g), Kc = 1.8×10⁻⁶ at 185°C. At 185°C, the Kc for NO(g) + ½O₂(g) ⇌ NO₂(g) is:
- Kc for [Ag(CN)₂]⁻ ⇌ Ag⁺ + 2CN⁻, the equilibrium constant at 25°C is 4.0×10⁻¹⁹, then the silver ion concentration in a solution...
- The concentration of CO₂ be in equilibrium with 2.5×10⁻² mol litre⁻¹ of CO at 100°C for the reaction FeO(s) + CO(g) ⇌ Fe(s) +...
- The correct relationship between Kc and Kp in gaseous equilibrium is:
- An equilibrium mixture of the reaction 2NO(g) + O₂(g) ⇌ 2NO₂(g) contains 0.120 mole of NO₂, 0.080 mole of NO and 0.640 mole of O₂...
- The reaction quotient (Q) for the reaction is given by N₂(g)+3H₂(g)⇌2NH₃; Q=[NH₃]²/([N₂][H₂]³). The reaction will proceed from...
- In the dissociation of 2HI ⇌ H₂ + I₂, the degree of dissociation will be influenced by:
- Which statement is false in case of equilibrium state?
- An aqueous solution of hydrogen sulphide shows the equilibrium, H₂S ⇌ H⁺ + HS⁻. If dilute hydrochloric acid is added to an...
- The equilibrium 2SO₂(g) + O₂(g) ⇌ 2SO₃(g) shifts forward if:
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