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Mdcat-past-papers Quiz

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3761. Which of the following reactions has the same value of Kc and Kp?



3762. Which of the following required for maximum yield of ammonia through haber's process



3763. For the reaction: N₂(g) + 3H₂(g) ⇌ 2NH₃(g) + heat How can we maximize the yield of NH₃?



3764. The high pressure of 200 atm in the Haber process is used for:



3765. Which of the following is not true for increased synthesis of NH₃ in Haber's process (ΔH = –92.5 kJ/mol)?



3766. What is not true about Le-Chatelier's principle?



3767. Maximum yield of ammonia can be obtained by:



3768. Which of the following factors will disturb the equilibrium in the reaction: 2HI(g) ⇌ H₂(g) + I₂(g); ΔH° = +ve (1) Change in concentration (2) Change in temperature (3) Change in pressure (4) Change in volume



3769. In the production of SO₃ from SO₂ and O₂, the yield of SO₃ is increased by:



3770. Consider: N₂ + 3H₂ ⇌ 2NH₃(g); ΔH = –92.46 kJ/mol The optimum temperature for ammonia synthesis is:



3771. Which of the following reactions has Kp > Kc?



3772. In reactions: Fe₂O₃ + CO → Fe + CO₂ H₂O + CO → H₂ + CO₂ Decrease in concentration of CO₂ will shift equilibrium:



3773. When moles of reactants and products are equal, which factor affects equilibrium?



3774. In a gaseous reaction, increasing pressure shifts equilibrium in the direction of:



3775. The high pressure of 200 atm in Haber's process is used for:



3776. Which factor helps equilibrium to be attained earlier?



3777. To minimize leftover reactants in ammonia synthesis, use conditions:



3778. In AgCl solution, addition of NaCl causes precipitation of AgCl due to:



3779. A buffer solution resists or minimizes change in:



3780. The decrease in solubility of a salt due to presence of a common ion is known as:



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