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Acids and Bases Review
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Which of the following substances does not fit the definition of an Arrhenius base?
10 NH3 NaOH KOH H2O 1 2 3 4 5 6 7 8
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The conjugate acid of NH3 is
10 NH2- NHOH NH4+ NH2+ 1 2 3 4 5 6 7 8
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Which one of the following acids would produce the weakest conjugate base?
10 Sulfuric acid Ammonium ions Phenol Acetic acid 1 2 3 4 5 6 7 8
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Which of the following species is amphoteric?
10 H+ CO32- HCO3- H2CO3 1 2 3 4 5 6 7 8
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What is Kb if Ka of an acid is 2.0 x 10-3?
4 5 6 7 8
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What is the value of pKw at 25oC?
10 7.0 14 1x10-14 1x10-10 1 2 3 4 5 6 7 8
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What is the [OH-] of a solution with pH=3?
10 3x1011 1x10-11 1.8x105 1x10-3 1 2 3 4 5 6 7 8
![What is the [OH-] of a solution with pH=3](http://slideplayer.com./slide/13863835/85/images/8/What+is+the+%5BOH-%5D+of+a+solution+with+pH%3D3.jpg "10. 3x x x105. 1x")
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The pOH of a 1.0 M HCl solution is
10 12 14 13.7 0.3 1 2 3 4 5 6 7 8
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The pOH of a 0.300 M HI solution is
10 13.5 0.522 0.150 3.5 1 2 3 4 5 6 7 8
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What is the final pH of a 0.100 M HCl solution that is diluted by a factor of 10?
2 13 1 4 1 2 3 4 5 6 7 8
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Calculate the pH of a 0.25 M HCN solution, Ka= 6.2x10-10.
4.7 9.3 2.5 5.0 1 2 3 4 5 6 7 8
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A 1 molar solution of a very weak monoprotic acid has a pH of 5
A 1 molar solution of a very weak monoprotic acid has a pH of 5. What is the value of Ka for the acid? 10 1x10-10 1x10-7 1x10-5 1x10-2 1 2 3 4 5 6 7 8
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Which of the following salts would produce an acidic solution?
10 NaCl CH3NH3Cl CH3NHNa NaNO3 1 2 3 4 5 6 7 8
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Which one of the following substances is most acidic?
10 CH3Cl CH2ClO H3CCOOH HI 1 2 3 4 5 6 7 8
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Which one of the following substances has the strongest conjugate base?
10 HI HBr HF HCl 1 2 3 4 5 6 7 8
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Which one of the following substances is the strongest base?
10 H2O NH3 NH2- CH4 1 2 3 4 5 6 7 8
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A 0.5 M solution of which of the following salts will have the lowest pH?
10 KCl NaC2H3O2 KNO3 NH4Cl 1 2 3 4 5 6 7 8
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Which one of the following oxides is acidic?
10 CaO K2O SO2 MgO 1 2 3 4 5 6 7 8
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Group IA Group IB Group VIA Group IIA
A solution prepared by mixing water with the oxide of which one of the following groups of elements would yield an acid? 10 Group IA Group IB Group VIA Group IIA 1 2 3 4 5 6 7 8
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A Lewis acid: Accepts a proton Releases hydrogen Accepts electrons
10 Accepts a proton Releases hydrogen Accepts electrons Donates electrons 1 2 3 4 5 6 7 8
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Which of the following is the strongest acid?
10 HClO HClO2 HClO3 HClO4 1 2 3 4 5 6 7 8
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Which is the strongest acid?
10 H2O HCl HBr HI 1 2 3 4 5 6 7 8
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Which of the following best describes the pH of a 0
Which of the following best describes the pH of a 0.01 M solution of HBrO? Ka=2x10-19 10 Less than or equal to 2 Between 2 and 7 7 Between 7 and 11 1 2 3 4 5 6 7 8
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