2. In an acid solution, the [H⁺] is found to be 1 x 10^-2 M. What is the [OH^-]?
a) 1 x 10^-2 M
b) 1 x 10^-7 M
c) 1 x 10^-12 M
d) 1 x 10^-14 M

3. Which statement best describes the solution produced when an Arrhenius acid is dissolved in water?
a) The only negative ion in solution is OH^-.
b) The only negative ion in solution is HCO₃^-.
c) The only positive ion in solution is H+.
d) The only positive ion in solution is NH₄^-.

4. In which reaction is water acting only as a Brønsted-Lowry base?
a) H₂SO_4(aq) + H₂O_(l) HSO₄^-_(aq) + H₃O⁺_(aq)
b) NH_3(g) + H₂O_(l)   NH₄⁺_(aq) + OH^-_(aq)
c) CH₃COO^-_(aq) + H₂O_(l) CH₃COOH_(aq) + OH^-_(aq)
d) H₂O_(l) + H₂O_(l) H₃O⁺_(aq) + OH^-_(aq)

5. Which of the following 0.1 M solutions has the lowest pH?
a) 0.1 M NaOH
b) 0.1 M CH₃OH
c) 0.1 M NaCl
d) 0.1 M HCl

6. Which of the following substances will conduct electricity?
a) C₆H₁₂O_6(aq)
b) C₁₂H₂₂O_11(aq)
c) CH₃OH_(aq)
d) LiOH_(aq)

7. It takes 50.0 mL of 3.0 M HNO₃ to completely neutralize 150.0 mL of a KOH solution of unknown concentration. What is the molarity of the KOH solution?
a) 1.0 M
b) 4.5 M
c) 3.0 M
d) 6.0 M

8. According to the Arrhenius theory, which list of compounds includes only bases?
a) KOH, Ca(OH)₂, and CH₃OH
b) KOH, NaOH, and LiOH
c) LiOH, Ca(OH)₂, and C₂H₄(OH)₂
d) NaOH, Ca(OH)₂, and CH₃COOH

9. Given the reaction:

NH_3(g) + H₂O_(l) NH₄⁺_(aq) + OH^-_(aq)

Which is a conjugate acid-base pair?
a) H₂O_(l) and NH₄⁺_(aq)
b) H₂O_(l) and NH_3(g)
c) NH_3(g) and OH^-_(aq)
d) NH_3(g) and NH₄⁺_(aq)

10. Given the reaction:

HC₂H₃O_2(aq) + KOH_(aq) KC₂H₃O_2(aq) + H₂O_(l)

The products of this reaction form a salt solution that is
a) acidic and turns litmus blue
b) acidic and turns litmus red
c) basic and turns litmus blue
d) basic and turns litmus red

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