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ECAT - Practice Test - Chemistry - Chemical Equilibrium - Quiz 6

Practice 10 high yield MCQs on Chemistry from Chapter Chemical Equilibrium for Practice Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 6 of the series.

51. For the reaction 2SO₂ + O₂ ⇌ 2SO₃, adding a catalyst will:



52. The solubility of AgCl in water is decreased by the addition of NaCl because:



53. For the reaction CO(g) + H₂O(g) ⇌ CO₂(g) + H₂(g), ΔH = -41 kJ. Increasing temperature will:



54. The equilibrium constant Kp for a gaseous reaction is related to Kc by:



55. For the reaction H₂ + I₂ ⇌ 2HI, Δn = 0, so:



56. The degree of dissociation of a weak acid increases with:



57. The common ion effect is used in qualitative analysis to:



58. The solubility of CaF₂ is higher in water than in NaF solution because:



59. The pH of a buffer solution containing 0.1 M acetic acid and 0.1 M sodium acetate (pKa=4.76) is:



60. For the reaction N₂O₄(g) ⇌ 2NO₂(g), ΔH > 0. Increasing temperature will:



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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