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11) Give the characteristics of a strong acid. A) ionizes completely in aqueous solutions B) has equilibrium far to the right C) has a polar bond D) has a weaker bond to hydrogen E) all of the above 12) The stronger the acid, then which of the following is true? A) The stronger the conjugate acid. B) The stronger the conjugate base. C) The weaker the conjugate base. D) The weaker the conjugate acid. E) None of the above. 13) Place the following in order of increasing acid strength. HBrO2HBrO3HBrOHBrO4 A) HBrO2 < HBrO4 < HBrO < HBrO3 B) HBrO < HBrO2 < HBrO3 < HBrO4 C) HBrO2 < HBrO3 < HBrO4 < HBrO D) HBrO4 < HBrO2 < HBrO3 < HBrO E) HBrO < HBrO4 < HBrO3 < HBrO2 14) Which of the following statements is true? A) A strong acid is composed of a proton and an anion that have a very strong attraction for one another. B) A weak base is composed of a cation and an anion with a very weak attraction between them. C) A strong acid has a strong conjugate base. D) The conjugate base of a very weak acid is stronger than the conjugate base of a strong acid. E) None of the above statements are true. 15) Which of the following acids will have the strongest conjugate base? A) HCl B) HClO4 C) HNO3 D) HCN E) HI 16) Which of the following solutions would have the highest pH? Assume that they are all 0.10 M in acid at 25?C. The acid is followed by its Ka value. A) HF, 3.5 × 10-4 B) HCN, 4.9 × 10-10 C) HNO2, 4.6 × 10-4 D) HCHO2, 1.8 × 10-4 E) HClO2, 1.1 × 10-2 17) Identify the strongest acid. A) H2O B) H2S C) H2Se D) H2Te E) not enough information is available 18) Identify the weakest acid. A) HF B) HCl C) HBr D) HI E) not enough information is available 19) Which of the following is true? A) A neutral solution contains [H2O] = [H3O?] B) A neutral solution does not contain any H3O+ or OH- C) An acidic solution has [H3O?] > [OH?] D) A basic solution does not contain H3O+ E) None of the above are true. 20) What is the concentration of hydroxide ions in pure water at 30.0?C, if Kw at this temperature is 1.47 × 10-14? A) 1.00 × 10-7 M B) 1.30 × 10-7 M C) 1.47 × 10-7 M D) 8.93 × 10-8 M E) 1.21 × 10-7 M

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