Name_____________________ Acid/Base
Id#______
1. Neutralization occurs in aqueous solution when there is a reaction between
a) H3O+ and H20
c) OH- and H2O
+
b) H30 and OH
d) Na+ and Cl2. Which substance is classified as an Arrhenius base
a) CH3OH
b) KOH
c) NH3 d) BF3
3. The pH of a 0.001M HCl(aq) is
a) 1 b)2 c) 3 d) 13
4. Name the following two acids: HClO2 and HBr
a) hydrochloric and bromous
c) chloric and hydrobromous
b) chlorous and hydrobromic
d) hydrochlorous and bromic
5. An indicator was used to test a water solution with a pH of 12.
Which indicator color would be observed
a. orange with universal
c) green with universal
b) colorless with phenolphthalein
d) pink with phenolphthalein
6. According to Ref table L, which of the following aqueous solutions is the
poorest conductor of electricity
a) 0.1M H2S
b) 0.1M H3PO4
c) 0.1M HF
d) 0.1M H2S04
7. What is the hydrogen ion concentration in a solution whose hydroxide
concentration is 7.98 x 10-5
a) (-)4.09
b) 9.02x10-1
c) 1x10-7
d) 1.25x10-8
8. Which substance is classified as a salt
a) Ca(OH)2
b) C2H4(OH)2 c) CCl4 d) KC2H3O2
9. In the reaction: HBr + H20 = H3O+ + Br- which are a conjugate
acid-base pair
a) HBr and Brc) HBr and H2O
b) H3O+ and Brd) H3O+ and HBr
10. What is the pOH of a solution of LiOH= 1x10-3
a) 3
b) 7
c) 11
d) 14
11. Which salt will hydrolyze in water to produce a basic solution
a) BaI2
b) NaNO2 c) CaCl2 d) K2SO4
12. If an aqueous solution turns blue litmus red, which represents the
relationship between hydronium ions and hydroxide ion concentrations
a) H3O+>OHc) H3O+=OH- at 1x10-7
+
b) H3O <OH
d) H3O+=OH- at 1x10-14
13. What is the pOH of a 0.000740 HBr solution
a) 3.13 b) 4 c) 10 d) 10.87
14. How many liters of a 2.5M HCl are required to neutralize 1.5L of
a 5.0M NaOH
a) 0.33 b) 0.75 c) 3.0 4) 4.0
15.
C2H5OH
a) is
b) is
c) is
d) is
covalent when pure but ionizes in water
ionic when pure and dissociates completely in water
covalent when pure and does not ionize in water
ionic when pure and dissociates to a small extent in water
16. Which of the following could describe H2CO3(aq)
a) tastes bitter, turns litmus red, feels slippery
b) tastes sour, turns litmus red, has a pH near one
c) feels slippery, turns litmus blue, has a pH near 14
d) has a small Ka, turns litmus red, has a pH near 4
17. If the pH of a solution is 6, the [H3O+] is
a) 1x10-6
b) 1x106 c) 1x10-8
d) 1x108
18. Which could be the pH of a solution whose [H3O+] is less than the [OH-]
a) 2 b)3 c) 4 d) 9
19. What is the pH of a 0.10M NaOH a) 1 b)2 c) 13 d) 14
20. According to Ref table L, which of the following substances is amphiprotic
a) H2SO4 b) HNO3 c) NO3- d) HCO321. Which hydrogen ion concentration indicates the most acidic solution
a) 1x10-11 b) 1x10-9 c) 1x10-7 d) 1x10-5
22. A water solution of a salt has a ph greater than 7. The solution has
a. an equal number of hydronium and hydroxide ions
b. more hydronium ions than hydroxide ions
c. fewer hydronium ions than hydroxide ions
d. equal concentrations of the positive and negative salt ions
23. Which of the following is the correct formula for Barium hydroxide
a) BaOH
b) Ba2OH
c) Ba(OH)
d) Ba(OH)2
24. The conjugate base of the H2PO4- is
a) H3P04 b) HPO4 -2 c) PO4-3 d) HPO425. Which is the conjugate acid of CO3-2
a) HCO3- b) H2CO3 c) CO3-3 d) HCO3
26. Which is the pH of NaC2H3O2(aq)
a) acidic b) basic c) neutral d) cannot be determined
27.
What is the molarity of KOH given the following information
and the UNBALANCED equation below (formulas are written correctly)
Volume of acid used= 14.4 ml
Molarity of H3PO4 = 0.2M
Volume of base used = 22.4ml
H3P04(aq) + KOH K3PO4 + HOH
a) 0.129M b) 0.386M c) 2.59M d) 7.78M