1. Clicker Questions Chapter 4
Barbara Mowery
York College

2. A homogeneous mixture of two or more components is referred to as
a solute.
a solution.
an electrolyte.
a mess.
Answer: b

3. A homogeneous mixture of two or more components is referred to as
a solute.
a solution.
an electrolyte.
a mess.
Answer: b

4. The solvent in a sample of soda pop is
sugar.
carbon dioxide.
water.
air.
Answer: c

5. The solvent in a sample of soda pop is
sugar.
carbon dioxide.
water.
air.
Answer: c

6. The gaseous solute in a sample of soda pop is
sugar.
carbon dioxide.
water.
air.
Answer: b

7. The gaseous solute in a sample of soda pop is
sugar.
carbon dioxide.
water.
air.
Answer: b

8. water. sugar. air. electrolytes.
Gatorade® and other sports drinks conduct electricity because they contain
water.
sugar.
air.
electrolytes.
Answer: d

9. water. sugar. air. electrolytes.
Gatorade® and other sports drinks conduct electricity because they contain
water.
sugar.
air.
electrolytes.
Answer: d

10. When Fe(NO3)2 dissolves in water, the particles in solution are
Fe+ and (NO3)2–.
Fe2+ and 2 NO3–.
Fe and 2 NO3.
Fe and N2 and 3 O2.
Answer: b

11. When Fe(NO3)2 dissolves in water, the particles in solution are
Fe+ and (NO3)2–.
Fe2+ and 2 NO3–.
Fe and 2 NO3.
Fe and N2 and 3 O2.
Answer: b

12. Which set includes only substances that produce electrolytes in water?
NaBr, KCl, MgSO4
C6H12O6, CH3OH, C6H6
HCl, NH3, Cl2, N2
SiO2, CaCO3, H2SO4
Answer: a

13. Which set includes only substances that produce electrolytes in water?
NaBr, KCl, MgSO4
C6H12O6, CH3OH, C6H6
HCl, NH3, Cl2, N2
SiO2, CaCO3, H2SO4
Answer: a

14. Which compound below is not soluble in water?
NaBr
KNO3
MgSO4
ZnS
Answer: d

15. Which compound below is not soluble in water?
NaBr
KNO3
MgSO4
ZnS
Answer: d

16. Pb(NO3)2 + 2 KI  PbI2 + 2 KNO3 The physical evidence that the above reaction occurs is
an explosion.
the formation of a gas.
that the solution boils.
the formation of a precipitate.
Answer: d

17. Pb(NO3)2 + 2 KI  PbI2 + 2 KNO3 The physical evidence that the above reaction occurs is
an explosion.
the formation of a gas.
that the solution boils.
the formation of a precipitate.
Answer: d

18. H2SO4 and NaOH HNO3 and CaCl2 Ba(NO3)2 and Na3PO4 LiCl and SrI2
Which pair of compounds will produce a precipitate if solutions of appropriate concentrations are mixed together?
H2SO4 and NaOH
HNO3 and CaCl2
Ba(NO3)2 and Na3PO4
LiCl and SrI2
Answer: c

19. H2SO4 and NaOH HNO3 and CaCl2 Ba(NO3)2 and Na3PO4 LiCl and SrI2
Which pair of compounds will produce a precipitate if solutions of appropriate concentrations are mixed together?
H2SO4 and NaOH
HNO3 and CaCl2
Ba(NO3)2 and Na3PO4
LiCl and SrI2
Answer: c

20. When an acid reacts with a base, the result is
cancellation.
elimination.
neutralization.
adduct formation.
Answer: c

21. When an acid reacts with a base, the result is
cancellation.
elimination.
neutralization.
adduct formation.
Answer: c

22. K+ and NO3–. H+ and OH–. H+ and NO3–. K+ and OH–.
When nitric acid is neutralized by potassium hydroxide, the spectator ions are
K+ and NO3–.
H+ and OH–.
H+ and NO3–.
K+ and OH–.
Answer: a

23. K+ and NO3–. H+ and OH–. H+ and NO3–. K+ and OH–.
When nitric acid is neutralized by potassium hydroxide, the spectator ions are
K+ and NO3–.
H+ and OH–.
H+ and NO3–.
K+ and OH–.
Answer: a

24. Which compound below is not a strong acid?
HC2H3O2
H2SO4
HNO3
HBr
Answer: a

25. Which compound below is not a strong acid?
HC2H3O2
H2SO4
HNO3
HBr
Answer: a

26. When an atom undergoes oxidation, it ______ electrons.
gains
loses
retains
balances
Answer: b

27. When an atom undergoes oxidation, it ______ electrons.
gains
loses
retains
balances
Answer: b

28. When an atom undergoes reduction, it ______ electrons.
gains
loses
retains
balances
Answer: a

29. When an atom undergoes reduction, it ______ electrons.
gains
loses
retains
balances
Answer: a

30. reduced; gains reduced; loses oxidized; gains oxidized; loses
When Zn(s) reacts with HCl(aq) to produce H2(g) and ZnCl2(aq), the zinc is _____ because it _____ electrons.
reduced; gains
reduced; loses
oxidized; gains
oxidized; loses
Answer: d

31. reduced; gains reduced; loses oxidized; gains oxidized; loses
When Zn(s) reacts with HCl(aq) to produce H2(g) and ZnCl2(aq), the zinc is _____ because it _____ electrons.
reduced; gains
reduced; loses
oxidized; gains
oxidized; loses
Answer: d

32. Al + H+  Al3+ + H2 When the oxidation–reduction reaction above is correctly balanced, the coefficients are
1, 2  1, 1.
1, 3  1, 2.
2, 3  2, 3.
2, 6  2, 3.
Answer: d

33. Al + H+  Al3+ + H2 When the oxidation–reduction reaction above is correctly balanced, the coefficients are
1, 2  1, 1.
1, 3  1, 2.
2, 3  2, 3.
2, 6  2, 3.
Answer: d

34. In the list shown, the metal that is most easily oxidized is ___.Ca Fe Cu
Answer: a

35. In the list shown, the metal that is most easily oxidized is ___.Ca Fe Cu
Answer: a

36. A solution is prepared by dissolving 35
A solution is prepared by dissolving 35.0 g of NaCl in water to make 500 mL of solution. What is the molarity?
7.00 M
3.04 M
1.97 M
1.20 M
Answer: d

37. A solution is prepared by dissolving 35
A solution is prepared by dissolving 35.0 g of NaCl in water to make 500 mL of solution. What is the molarity?
7.00 M
3.04 M
1.97 M
1.20 M
Answer: d

38. 250.0 mL of 0.100 M AgNO3 solution contains _____ g of silver nitrate.
4.25
8.50
17.0
34.0
Answer: a

39. 250.0 mL of 0.100 M AgNO3 solution contains _____ g of silver nitrate.
4.25
8.50
17.0
34.0
Answer: a

40. To make 250. 0 mL of 0. 500 M KI solution, _____ mL of 6
To make mL of M KI solution, _____ mL of M KI must be used.
20.8
41.7
500.0
3000.0
Answer: a

41. To make 250. 0 mL of 0. 500 M KI solution, _____ mL of 6
To make mL of M KI solution, _____ mL of M KI must be used.
20.8
41.7
500.0
3000.0
Answer: a

42. HCl + KOH  KCl + H2O 25. 00 mL of HCl was titrated using 18
HCl + KOH  KCl + H2O mL of HCl was titrated using mL of M NaOH. The concentration of HCl is M. M. M. M.
Answer: b

43. HCl + KOH  KCl + H2O 25. 00 mL of HCl was titrated using 18
HCl + KOH  KCl + H2O mL of HCl was titrated using mL of M NaOH. The concentration of HCl is M. M. M. M.
Answer: b

44. HX + NaOH  NaX + H2O 229 mg of HX was titrated using 29. 33 mL of 0
HX + NaOH  NaX + H2O 229 mg of HX was titrated using mL of M NaOH. What is element X? F Cl Br I
Answer: c

45. HX + NaOH  NaX + H2O 229 mg of HX was titrated using 29. 33 mL of 0
HX + NaOH  NaX + H2O 229 mg of HX was titrated using mL of M NaOH. What is element X? F Cl Br I
Answer: c