© 2015 Pearson Education, Inc. Clicker Questions Chapter 4 Barbara Mowery York College.

Clicker Questions

Chapter 4

Barbara Mowery

York College

A homogeneous mixture of two or more components is referred to as

a. a solute.

b. a solution.

c. an electrolyte.

d. a mess.

A homogeneous mixture of two or more components is referred to as

a. a solute.

b. a solution.

c. an electrolyte.

d. a mess.

The solvent in a sample of soda pop is

a. sugar.

b. carbon dioxide.

c. water.

d. air.

The solvent in a sample of soda pop is

a. sugar.

b. carbon dioxide.

c. water.

d. air.

The gaseous solute in a sample of soda pop is

a. sugar.

b. carbon dioxide.

c. water.

d. air.

The gaseous solute in a sample of soda pop is

a. sugar.

b. carbon dioxide.

c. water.

d. air.

Gatorade® and other sports drinks conduct electricity because they contain

a. water.

b. sugar.

c. air.

d. electrolytes.

Gatorade® and other sports drinks conduct electricity because they contain

a. water.

b. sugar.

c. air.

d. electrolytes.

When Fe(NO3)2 dissolvesin water, the particles in solution are

a. Fe+ and (NO3)2–.

b. Fe2+ and 2 NO3–.

c. Fe and 2 NO3.

d. Fe and N2 and 3 O2.

When Fe(NO3)2 dissolvesin water, the particles in solution are

a. Fe+ and (NO3)2–.

b. Fe2+ and 2 NO3–.

c. Fe and 2 NO3.

d. Fe and N2 and 3 O2.

Which set includes only substances that produce electrolytes in water?

a. NaBr, KCl, MgSO4

b. C6H12O6, CH3OH, C6H6

c. HCl, NH3, Cl2, N2

d. SiO2, CaCO3, H2SO4

Which set includes only substances that produce electrolytes in water?

a. NaBr, KCl, MgSO4

b. C6H12O6, CH3OH, C6H6

c. HCl, NH3, Cl2, N2

d. SiO2, CaCO3, H2SO4

Which compound below is not soluble in water?

a. NaBr

b. KNO3

c. MgSO4

d. ZnS

Which compound below is not soluble in water?

a. NaBr

b. KNO3

c. MgSO4

d. ZnS

a. an explosion.

b. the formation of a gas.

c. that the solution boils.

d. the formation of a precipitate.

Pb(NO3)2 + 2 KI PbI2 + 2 KNO3

The physical evidence that the above reaction occurs is

Pb(NO3)2 + 2 KI PbI2 + 2 KNO3

The physical evidence that the above reaction occurs is

a. an explosion.

b. the formation of a gas.

c. that the solution boils.

d. the formation of a precipitate.

Which pair of compounds will produce a precipitate if solutions of appropriate concentrations are mixed together?

a. H2SO4 and NaOH

b. HNO3 and CaCl2c. Ba(NO3)2 and Na3PO4

d. LiCl and SrI2

Which pair of compounds will produce a precipitate if solutions of appropriate concentrations are mixed together?

a. H2SO4 and NaOH

b. HNO3 and CaCl2c. Ba(NO3)2 and Na3PO4

d. LiCl and SrI2

When an acid reacts with a base, the result is

a. cancellation.

b. elimination.

c. neutralization.

d. adduct formation.

When an acid reacts with a base, the result is

a. cancellation.

b. elimination.

c. neutralization.

d. adduct formation.

When nitric acid is neutralized by potassium hydroxide, the spectator ions are

a. K+ and NO3–.

b. H+ and OH–.

c. H+ and NO3–.

d. K+ and OH–.

When nitric acid is neutralized by potassium hydroxide, the spectator ions are

a. K+ and NO3–.

b. H+ and OH–.

c. H+ and NO3–.

d. K+ and OH–.

Which compound below is not a strong acid?

a. HC2H3O2

b. H2SO4

c. HNO3

d. HBr

Which compound below is not a strong acid?

a. HC2H3O2

b. H2SO4

c. HNO3

d. HBr

When an atom undergoes oxidation, it ______ electrons.

a. gains

b. loses

c. retains

d. balances

When an atom undergoes oxidation, it ______ electrons.

a. gains

b. loses

c. retains

d. balances

a. gains

b. loses

c. retains

d. balances

When an atom undergoes reduction, it ______ electrons.

a. gains

b. loses

c. retains

d. balances

When an atom undergoes reduction, it ______ electrons.

When Zn(s) reacts with HCl(aq) to produce H2(g) and ZnCl2(aq), the zinc is _____ because it _____ electrons.

a. reduced; gains

b. reduced; loses

c. oxidized; gains

d. oxidized; loses

When Zn(s) reacts with HCl(aq) to produce H2(g) and ZnCl2(aq), the zinc is _____ because it _____ electrons.

a. reduced; gains

b. reduced; loses

c. oxidized; gains

d. oxidized; loses

Al + H+ Al3+ + H2

When the oxidation–reduction reaction above is correctly balanced, the coefficients are

a. 1, 2 1, 1.

b. 1, 3 1, 2.

c. 2, 3 2, 3.

d. 2, 6 2, 3.

Al + H+ Al3+ + H2

When the oxidation–reduction reaction above is correctly balanced, the coefficients are

a. 1, 2 1, 1.

b. 1, 3 1, 2.

c. 2, 3 2, 3.

d. 2, 6 2, 3.

In the list shown, the metal that is most easily oxidizedis ___.

A solution is prepared by dissolving 35.0 g of NaCl in water to make 500 mL of solution. What is the molarity?

a. 7.00 M

b. 3.04 M

c. 1.97 M

d. 1.20 M

A solution is prepared by dissolving 35.0 g of NaCl in water to make 500 mL of solution. What is the molarity?

a. 7.00 M

b. 3.04 M

c. 1.97 M

d. 1.20 M

250.0 mL of 0.100 M AgNO3 solution contains _____ g of silver nitrate.

a. 4.25

b. 8.50

c. 17.0

d. 34.0

250.0 mL of 0.100 M AgNO3 solution contains _____ g of silver nitrate.

a. 4.25

b. 8.50

c. 17.0

d. 34.0

To make 250.0 mL of 0.500 M KI solution, _____ mL of 6.00 M KI must be used.

a. 20.8

b. 41.7

c. 500.0

d. 3000.0

To make 250.0 mL of 0.500 M KI solution, _____ mL of 6.00 M KI must be used.

a. 20.8

b. 41.7

c. 500.0

d. 3000.0

HCl + KOH KCl + H2O25.00 mL of HCl was titrated using 18.50 mL of 0.1554 M NaOH. The concentration of HCl is

a. 0.0777 M.

b. 0.1150 M.

c. 0.2100 M.

d. 0.2875 M.

HCl + KOH KCl + H2O25.00 mL of HCl was titrated using 18.50 mL of 0.1554 M NaOH. The concentration of HCl is

a. 0.0777 M.

b. 0.1150 M.

c. 0.2100 M.

d. 0.2875 M.

HX + NaOH NaX + H2O229 mg of HX was titrated using 29.33 mL of 0.0965 M NaOH. What is element X?

© 2015 Pearson Education, Inc. Clicker Questions Chapter 4 Barbara Mowery York College.

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