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Chapter 15

Acids and Bases

QuestionAnswer
_______ is found in carbonated beverages due to the reaction of carbon dioxide with water. H2CO3
Which of the following species is amphoteric? HPO4 2-
What is the conjugate acid of HCO3-? H2CO3
What is the conjugate acid of H2PO4-? HPO4 2-
Which of the following is NOT a conjugate acid-base pair? H3O+/OH-
Identify the weak diprotic acid. H2CO3 H2SO3
Give the characteristics of a strong acid. Ionizes completely in aqueous solutions has equilibrium far to the right has a polar bond has a weaker bond to hydrogen
The stronger the acid, the weaker the conjugate base
The conjugate base of a very weak acid is stronger than the conjugate base of a strong acid.
Which of the following acids will have the strongest conjugate base? HCN
Which of the following bases is the WEAKEST? The base is followed by its Kb value. C5H5N, 1.7x10^-9
Which of the following bases is the STRONGEST? The base is followed by the Kb value? (CH3CH2)2NH, 8.6x10^-4
List an ingredient that is in antacid. Al(OH)3 Mg(OH)2 CACO3
Which one of the following will form a basic solution in water? LiCN
In a triprotic acid, which Ka has the highest value? Ka1
Identify the strongest acid H2Te
Identify the weakest acid. HF
Acid rain consists primarily of nitric and sulfuric acids
The stomach excretes _________ to kill microorganisms and to activate enzymes that break down food. HCl
Identify the acid that is in car batteries. Identify the diprotic acid H2SO4
Identify the acid that is in vinegar. CH3COOH
Identify the base that is in baking soda. NaHCO3
Identify the base that is in Drano. NaOH
When dissolved in water, which compound is generally considered to be an Arrhenius acid? CH3CO2H
Which of the following is an Arrhenius acid? Which of the following is a STRONG base? LiOH
Which BrOnsted-Lowry acid is no considered to be a strong acid in water? H2SO3
Which of the following is a BrOnsted-Lowry acid? NH4+
Which of the following is a Bronsted-Lowry base? NH3
Identify the triprotic acid. H3PO4
Which of the following is a STRONG acid? HClO4
Which of the following is a WEAK acid? HCN
How many of the following are WEAK acids? HNO2 HF HNO3 H2PO4- 3
Identify the food that is NOT acidic. egg white
A solution with a hydrogen ion concentration of 3.25x10-6 M is ___________ and has a hydroxide ion concentration of ___________. acidic, 3.08x10-9 M
A solution with a hydrogen ion concentration of 4.15x1o-6 M is ___________ and has concentration of ___________. basic, 2.41x10-9 M
Which of the following is a WEAK base? NH(CH3)2
Which one of the following salts, when dissolved in water, produces the solution with the highest pH? RaO RbF
If an equal number of moles of the weak acid HCN and the strong base KOH are added to water, is the resulting solution acidic, basic, neutral? basic
Which one of the following salts, when dissolved in water, produces the solution with a pH closest to 7.00? CsI
Which on of the following salts, when dissolved in water, produces the solution with the lowest pH? AlCl3
Which one of the following will form an acidic solution in water? NH4Cl
Which of the following is a polyprotic acid? H2SO4
Created by: karmabites