Think you’ve got your head wrapped around Acids and Bases? Put your knowledge to
the test. Good luck — the Stickman is counting on you!
Q. Which acid has the strongest conjugate base?
HCl
HNO2
HF
CH3COOH
HBr
Q. Which compound is a Bronsted-Lowry base but not an Arrhenius base?
NaOH
Ba(OH)2
F-
KOH
HCN
Q. A Lewis acid always accepts _________.
a hydrogen atom
neutrons
a hydroxide molecule
electrons
none of the above
Q. Which base has the weakest conjugate acid?
Mg(OH)2
CN-
HCO2-
H2PO4-
-OCl
Q. Water dissociates into H+ and OH- ______.
only when the solution is acidic
whenever the solution is heated to 100 °C
rarely, but at all pH values
only when the solution is basic
forming 55 M of each
Q. In an acidic solution there are ______.
more H+ molecules than OH- molecules
less OH- molecules than H+ molecules
a and b
equal numbers of H+ and OH- molecules
either more or less H+ molecules than OH- molecules depending on the pH
Q. How many moles of Ba(OH)2 are required to bring 76 mL of water to a pH of 12?
3.8 × 10-4
0.038
1.5 × 10-3
0.12
0.0060
Q. How many moles of HBr are required to bring 345 mL of water to a pOH of 9?
0.042
1.72 × 10-6
3.45 × 10-4
it is not possible to achieve a pOH of 9 by adding acid to water
3.45 × 10-6
Q. In order to bring a 0.5 L HCl solution of pH -1 to pH 7, ___________ mL of a __________ Molar solution of NaOH would need to be added.
50; 5
2500; 2
500; 7
500; 5
250; 1
Q. Which of the following acids is weakest?
HClO4
HClO3
HBrO3
HBrO4
HClO