Chapter 15 1) The name of HClO is ________. a. hydrogen chloride b. hydrochloric acid c. chloric acid d. perchloric acid e. hypochlorous acid 2) Identify the Bronsted-Lowry acid in the following reaction. H2O + CO3 2- (aq) ? HCO3 - (aq) + OH- (aq) a. H2O b. CO3 2- c. HCO3 - d. OHe. H2CO3 3) What is the [H3O+] in a solution with [OH- ] = 1.0 � 10-12 M? a. 1.0 � 10-12 M b. 1.0 � 102 M c. 1.0 � 10-7 M d. 1.0 � 10-8 M e. 1.0 � 10-2 M 4) What is the [OH- ] in a solution that has a [H3O+] = 1.0 � 10-6 M? a. 1.0 � 10-2 M b. 1.0 � 10-6 M c. 1.0 � 10-8 M d. 1.0 � 10-10 M e. 1.0 � 10-12 M 5) The [H3O+] of a solution with pH = 2.0 has a concentration of ________. a. 10 M b. 0.1 M c. 1 � 102 M d. 1 � 10-2 M e. 1 � 10-12 M 6) Which of the following is the strongest acid? a. H3PO4 b. NH4 + c. NaOH d. H2CO3 e. HCl 7) Which of the following is correctly identified? a. NH3, strong acid b. NaOH, strong base c. HCl, weak acid d. H2CO3, strong acid e. Ca(OH)2, weak base 8) Ammonia is a weak base because a. it is a dilute solution. b. it is only slightly soluble in water. c. it cannot hold on to its hydroxide ions. d. it produces few hydroxide ions in water. e. it is completely ionized in aqueous solution. 9) Which of the following is a neutralization reaction? a. KCl + NaNO3 ? KNO3 + NaCl b. HNO3 + KOH ? H2O + KNO3 c. H2O + SO3 ? H2SO4 d. 4Na + O2 ? 2 Na2O e. 2 NO2 ? 2NO + O2 10) Which of the following is a buffer system? a. NaCl and NaNO3 b. HCl and NaOH c. H2CO3 and KHCO3 d. NaCl and NaOH e. H2O and HCl
Chapter 15 1) The name of HClO is ________. a. hydrogen chloride b. hydrochloric acid c. chloric acid d. perchloric acid e. hypochlorous acid 2) Identify the Bronsted-Lowry acid in the following reaction. H2O + CO3 2- (aq) ? HCO3 - (aq) + OH- (aq) a. H2O b. CO3 2- c. HCO3 - d. OHe. H2CO3 3) What is the [H3O+] in a solution with [OH- ] = 1.0 � 10-12 M? a. 1.0 � 10-12 M b. 1.0 � 102 M c. 1.0 � 10-7 M d. 1.0 � 10-8 M e. 1.0 � 10-2 M 4) What is the [OH- ] in a solution that has a [H3O+] = 1.0 � 10-6 M? a. 1.0 � 10-2 M b. 1.0 � 10-6 M c. 1.0 � 10-8 M d. 1.0 � 10-10 M e. 1.0 � 10-12 M 5) The [H3O+] of a solution with pH = 2.0 has a concentration of ________. a. 10 M b. 0.1 M c. 1 � 102 M d. 1 � 10-2 M e. 1 � 10-12 M 6) Which of the following is the strongest acid? a. H3PO4 b. NH4 + c. NaOH d. H2CO3 e. HCl 7) Which of the following is correctly identified? a. NH3, strong acid b. NaOH, strong base c. HCl, weak acid d. H2CO3, strong acid e. Ca(OH)2, weak base 8) Ammonia is a weak base because a. it is a dilute solution. b. it is only slightly soluble in water. c. it cannot hold on to its hydroxide ions. d. it produces few hydroxide ions in water. e. it is completely ionized in aqueous solution. 9) Which of the following is a neutralization reaction? a. KCl + NaNO3 ? KNO3 + NaCl b. HNO3 + KOH ? H2O + KNO3 c. H2O + SO3 ? H2SO4 d. 4Na + O2 ? 2 Na2O e. 2 NO2 ? 2NO + O2 10) Which of the following is a buffer system? a. NaCl and NaNO3 b. HCl and NaOH c. H2CO3 and KHCO3 d. NaCl and NaOH e. H2O and HCl
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