Test Bank: Introductory Chemistry 9th Edition by Zumdahl - Ch.
1-19, 9781337679909, with Rationales
True or False: In a combustion reaction oxygen is one of the reactants. - ANSWER:True
Which is considered a Arrhenius acid?
A.) HCl
B.) CH3COOH
C.) NH4+1
D.) All of the above - ANSWER:All of the above
Which is a diprodic acid?
A.) hypochlorous
B.) sulfuric
C.) phosphoric
D.) hydropromic - ANSWER:Sulfuric
True or False: A solution of HClCl- can act as a buffer. - ANSWER:False
What is the pOH of a solution having a hydrogen ion concentration 6.83 X 10-3 M? - ANSWER:11.8
Identify reduced Pb + PbO2 + 2H+ + 2HSO4- ---> 2PbSO4 + 2H2O - ANSWER:PbO2
Which produces 1 hydroxide?
A.) calcium
B.) barium
C.) aluminum
D.) potassium - ANSWER:potassium
What is the base in the forward reaction NH3 + H2O ---> NH4+ + O+l+? - ANSWER:Ammonia
What is the hydrogen-ion concentration of an aqueous solution having a pH of 4.72?
A.) 0.67 mol/L
B.) 1.9 X 10-5 mol/L
C.) 4.7 X 10-5 mol/L
D.) 4.7 mol/L - ANSWER:1.9 X 10-5 mol/L
What is the hydroxide-ion concentration of an aqueous solution having a pH of 4.72?
A.) 1.9 x 10-14 mol/L
B.) 5.3 x 10-10 mol/L
C.) 4.7 x 10-5 mol/L
D.) 1.9 x 10-5 mol/L - ANSWER:5.3 x 10-10 mol/L
What is the pH of an aqueous solution having a hydrogen- ion concentration of 6.83 x 10-3 mol/L?
A.) 1.029
B.) 2.166
C.) 6.831
D.) 0.834 - ANSWER:2.166
, What is the pOH of an aqueous solution having a hydrogen-ion concentration of 6.83 x 10-3 mol/L?
A.) 1.029
B.) 2.166
C.) 16.166
D.) 11.834 - ANSWER:11.834
The pH of an aqueous solution is 9.35. What is the pOH?
A.) -4.65
B.) 4.65
C.) 0.668
D.) 0.971 - ANSWER:4.65
Which of the following could be considered an Arrhenius base?
A.) CH3COOH
B.) KOH
C.) HCl
D.) HF - ANSWER:KOH
Which of the following is not a strong electrolyte when dissolved in distilled water?
A.) potassium chloride
B.) sulfuric acid
C.) potassium hydroxide
D.) acetic acid - ANSWER:acetic acid
Which of the following is a non-electrolyte in distilled water?
A.) ethyl alcohol
B.) hydrochloric acid
C.) sodium chloride
D.) sodium hydroxide - ANSWER:ethyl alcohol
Which of the following is a weak electrolyte when dissolved in distilled water?
A.) glucose
B.) phosphoric acid
C.) nitric acid
D.) potassium chloride - ANSWER:phosphoric acid
Which of the following is an electrolyte when dissolved in distilled water?
A.) ethyl alcohol
B.) oxygen
C.) sodium sulfate
D.) sucrose - ANSWER:Sodium sulfate
Which of the following is a triprotic acid when dissolved in water?
A.) phosphoric
B.) hypochlorous
C.) hydrobromic
D.) acetic - ANSWER:phosphoric
The conjugate acid of H2PO4- is ____________.
1-19, 9781337679909, with Rationales
True or False: In a combustion reaction oxygen is one of the reactants. - ANSWER:True
Which is considered a Arrhenius acid?
A.) HCl
B.) CH3COOH
C.) NH4+1
D.) All of the above - ANSWER:All of the above
Which is a diprodic acid?
A.) hypochlorous
B.) sulfuric
C.) phosphoric
D.) hydropromic - ANSWER:Sulfuric
True or False: A solution of HClCl- can act as a buffer. - ANSWER:False
What is the pOH of a solution having a hydrogen ion concentration 6.83 X 10-3 M? - ANSWER:11.8
Identify reduced Pb + PbO2 + 2H+ + 2HSO4- ---> 2PbSO4 + 2H2O - ANSWER:PbO2
Which produces 1 hydroxide?
A.) calcium
B.) barium
C.) aluminum
D.) potassium - ANSWER:potassium
What is the base in the forward reaction NH3 + H2O ---> NH4+ + O+l+? - ANSWER:Ammonia
What is the hydrogen-ion concentration of an aqueous solution having a pH of 4.72?
A.) 0.67 mol/L
B.) 1.9 X 10-5 mol/L
C.) 4.7 X 10-5 mol/L
D.) 4.7 mol/L - ANSWER:1.9 X 10-5 mol/L
What is the hydroxide-ion concentration of an aqueous solution having a pH of 4.72?
A.) 1.9 x 10-14 mol/L
B.) 5.3 x 10-10 mol/L
C.) 4.7 x 10-5 mol/L
D.) 1.9 x 10-5 mol/L - ANSWER:5.3 x 10-10 mol/L
What is the pH of an aqueous solution having a hydrogen- ion concentration of 6.83 x 10-3 mol/L?
A.) 1.029
B.) 2.166
C.) 6.831
D.) 0.834 - ANSWER:2.166
, What is the pOH of an aqueous solution having a hydrogen-ion concentration of 6.83 x 10-3 mol/L?
A.) 1.029
B.) 2.166
C.) 16.166
D.) 11.834 - ANSWER:11.834
The pH of an aqueous solution is 9.35. What is the pOH?
A.) -4.65
B.) 4.65
C.) 0.668
D.) 0.971 - ANSWER:4.65
Which of the following could be considered an Arrhenius base?
A.) CH3COOH
B.) KOH
C.) HCl
D.) HF - ANSWER:KOH
Which of the following is not a strong electrolyte when dissolved in distilled water?
A.) potassium chloride
B.) sulfuric acid
C.) potassium hydroxide
D.) acetic acid - ANSWER:acetic acid
Which of the following is a non-electrolyte in distilled water?
A.) ethyl alcohol
B.) hydrochloric acid
C.) sodium chloride
D.) sodium hydroxide - ANSWER:ethyl alcohol
Which of the following is a weak electrolyte when dissolved in distilled water?
A.) glucose
B.) phosphoric acid
C.) nitric acid
D.) potassium chloride - ANSWER:phosphoric acid
Which of the following is an electrolyte when dissolved in distilled water?
A.) ethyl alcohol
B.) oxygen
C.) sodium sulfate
D.) sucrose - ANSWER:Sodium sulfate
Which of the following is a triprotic acid when dissolved in water?
A.) phosphoric
B.) hypochlorous
C.) hydrobromic
D.) acetic - ANSWER:phosphoric
The conjugate acid of H2PO4- is ____________.
