1. When the salt NaHCO3 is dissolved in water, the solution
becomes
1) basic due to the production of H3O+ ions
2) acidic due to the production of H3O+ ions
3) basic due to the production of OH– ions
4) acidic due to the production of OH– ions
2. Which solution would turn red litmus paper blue?
1) NaCl(aq)
2) HCl(aq)
3) NaC2H3O2(aq)
4) HC2H3O2(aq)
3. When NH4NO3 is added to water, an acidic solution
forms. This process is referred to as
1) dehydration
3) hydrolysis
2) electrolysis
4) neutralization
4. The table below gives data on the conductivity and pH of
solutions A, B, C, and D.
7. The table below shows the results produced when two
drops of phenolphthalein are added to 0.1 M solutions of
three salts.
8.
9.
Which solution is most likely ammonium
chloride?
1) A
3) C
2) B
4) D
5. When the salt NH4NO3 is dissolved in water, it produces
a solution that is
1) acidic, with a pH less than 7
2) acidic, with a pH greater than 7
3) basic, with a pH less than 7
4) basic, with a pH greater than 7
6. Which aqueous solution has a pH greater than 7?
1) NaCl
2) NaNO3
3) Na2SO4
4) Na2CO3
10.
11.
12.
13.
14.
Which ion hydrolyzed when the salt was dissolved in
water?
1) K+
2) NO3–
3) I–
4) C2H3O2–
Which salt will hydrolyze in water to produce a basic
solution?
1) BaI2
2) NaNO2
3) CaCl2
4) MgSO4
A water solution of which gas contains more OH– ions
than H3O+ ions?
1) HCl
2) NH3
3) CO2
4) SO2
When the salt Na2CO3 undergoes hydrolysis, the
resulting solution will be
1) acidic with a pH less than 7
2) acidic with a pH greater than 7
3) basic with a pH less than 7
4) basic with a pH greater than 7
Which type of reaction is represented by the following
equation?
Al2S3 + 6H2O → 2Al(OH)3 + 3H2S
1) neutralization
3) electrolysis
2) dehydration
4) hydrolysis
A neutral solution of a salt in water contains
1) fewer H3O+ ions than OH– ions
2) more H3O+ ions than OH– ions
3) an equal number of H3O+ ions and OH– ions
4) neither H3O+ ions nor OH– ions
Which 1.0-molar salt solution has the lowest pH?
1) NaCl
2) NaF
3) Na2CO3
4) Na3PO4
As the concentration of NH4Cl in a solution increases,
the pH of the solution
1) decreases
3) remains the same
2) increases
15. As sodium phosphate dissolves in 100 milliliters of pure
water, the pH of the resulting solution
1) decreases
3) remains the same
2) increases
16. A solution of K2CO3 would have a pH closest to
1) 1
3) 3
2) 5
4) 8
17. The reaction of NH4NO3 with water to form an acidic
solution is called
1) oxidation
3) electrolysis
2) reduction
4) hydrolysis
18. When additional solid NaCl dissolves in a solution of
NaCl in water, the pH of the solution
1) decreases
3) remains the same
2) increases
19. Which of the following 0.1 M solutions has a pH closest
to 7?
1) NaOH(aq)
2) NaCl(aq)
3) NaC2H3O2(aq)
4) Na2CO3(aq)
Answer Key
1.
3
2.
3
3.
3
4.
3
5.
1
6.
4
7.
4
8.
2
9.
2
10.
4
11.
4
12.
3
13.
1
14.
1
15.
2
16.
4
17.
4
18.
3
19.
2