Question 1

Which name/formula combination is INCORRECT?

Accepted Answer

A)  tetrathionate/S4O62- 
B)  sulfurous acid/H2SO3 
C)  thiosulfate/S2O32- 
D)  calcium sulfite/CaSO4 
E)  sodium sulfide/Na2S 
A)  tetrathionate/S4O62- 
B)  sulfurous acid/H2SO3 
C)  thiosulfate/S2O32- 
D)  calcium sulfite/CaSO4 
E)  sodium sulfide/Na2S

Question 2

Both bismuth and arsenic are obtained from their sulfide ores.

Accepted Answer

A) True 
 B)False

Question 3

Write the equation for commercially extracting bromine from seawater.

Accepted Answer

A)  Br2(l) + 2 Cl(aq) → Cl2(g) + 2 Br- 
B)  2 Br-(aq) + I2(g) → Br2(l) + 2 I-(aq) 
C)  4 Br-(aq) + Cl2(g) → Br2(l) + 2 BrCl(aq) 
D)  2 Br-(aq) + F2(g) → Br2(l) + 2 F-(aq) 
E)  2 Br-(aq) + Cl2(g) → Br2(l) + 2 Cl-(aq) 
A)  Br2(l) + 2 Cl(aq) → Cl2(g) + 2 Br- 
B)  2 Br-(aq) + I2(g) → Br2(l) + 2 I-(aq) 
C)  4 Br-(aq) + Cl2(g) → Br2(l) + 2 BrCl(aq) 
D)  2 Br-(aq) + F2(g) → Br2(l) + 2 F-(aq) 
E)  2 Br-(aq) + Cl2(g) → Br2(l) + 2 Cl-(aq)

Question 4

What is the correct completion of the reaction: H2+ X2 → where X is a halogen

Accepted Answer

A)  2 H2 + X2 → 2 H2X 
B)  H2+ 2 X2 → 2 HX2 
C)  H2 + X2 → 2 HX 
D)  H2+ X2 → H2X2 
E)  H2 + X2 → no reaction 
A)  2 H2 + X2 → 2 H2X 
B)  H2+ 2 X2 → 2 HX2 
C)  H2 + X2 → 2 HX 
D)  H2+ X2 → H2X2 
E)  H2 + X2 → no reaction

Question 5

"Chlorine-type" laundry bleaches are in reality aqueous solutions of ________.

Accepted Answer

A)  NaOCl 
B)  NaClO3 
C)  HOCl 
D)  HOClO3 
E)  NaClO2 
A)  NaOCl 
B)  NaClO3 
C)  HOCl 
D)  HOClO3 
E)  NaClO2

Question 6

Choose the INCORRECT statement.

Accepted Answer

A)  Chlorofluorocarbon production has been banned by many countries. 
B)  Chlorine is used to make bleach, PVC, treat water, and make chemicals. 
C)  Bromine is used in fire retardants, pesticides, dyes, pharmaceuticals, and film. 
D)  Iodine is used in catalysts, medicine and film. 
E)  Fluorinated organic compounds are very reactive. 
A)  Chlorofluorocarbon production has been banned by many countries. 
B)  Chlorine is used to make bleach, PVC, treat water, and make chemicals. 
C)  Bromine is used in fire retardants, pesticides, dyes, pharmaceuticals, and film. 
D)  Iodine is used in catalysts, medicine and film. 
E)  Fluorinated organic compounds are very reactive.

Question 7

Write a balanced half equation for the following couple: O2 | OH- (basic)

Accepted Answer

A)  O2 + OH- + 4 e- → 2 H2O 
B)  O2 + 2 H2O + 4 e- → 4 OH- 
C)  O2 + H2O + e- → 2 OH- 
D)  O2 + 2 H2O → 4 OH- + 4 e- 
E)  O2 + 2 H2O + 4 e- → 8 OH- 
A)  O2 + OH- + 4 e- → 2 H2O 
B)  O2 + 2 H2O + 4 e- → 4 OH- 
C)  O2 + H2O + e- → 2 OH- 
D)  O2 + 2 H2O → 4 OH- + 4 e- 
E)  O2 + 2 H2O + 4 e- → 8 OH-

Question 8

Which of the following oxides is neither acidic nor amphoteric?

Accepted Answer

A)  As2O5 
B)  Bi2O3 
C)  N2O3 
D)  P4O6 
E)  Sb2O3 
A)  As2O5 
B)  Bi2O3 
C)  N2O3 
D)  P4O6 
E)  Sb2O3

Question 9

Which formula/name combination is INCORRECT?

Accepted Answer

A)  NaN3/sodium nitride 
B)  N2H4/hydrazine 
C)  HONH2/hydroxylamine 
D)  Mg(N3)2/magnesium azide 
E)  PH3/phosphine 
A)  NaN3/sodium nitride 
B)  N2H4/hydrazine 
C)  HONH2/hydroxylamine 
D)  Mg(N3)2/magnesium azide 
E)  PH3/phosphine

Question 10

Choose the INCORRECT statement.

Accepted Answer

A)  Halogens exist as diatomic molecules. 
B)  Group 17 (7
A)  are the halogens. 
C)  Halogens have relatively low melting and boiling points. 
D)  Fluorine is the most reactive halogen. 
E)  Fluorine has a low electronegativity and large radius. 
A)  Halogens exist as diatomic molecules. 
B)  Group 17 (7
A)  are the halogens. 
C)  Halogens have relatively low melting and boiling points. 
D)  Fluorine is the most reactive halogen. 
E)  Fluorine has a low electronegativity and large radius.

Question 11

Write a balanced half equation for the following couple: ClO2- | Cl- (basic)

Accepted Answer

A)  ClO2- + 2 H2O + 4 e- → Cl- + 4 OH- 
B)  ClO2- + 4 H+ + 4 e- → Cl- + 2 H2O 
C)  ClO2- + H2O + e- → Cl- + OH- 
D)  ClO2- + H+ + e- → Cl- + H2O 
E)  ClO22- + 4 H2O + 8 e- → Cl- + 4 OH- 
A)  ClO2- + 2 H2O + 4 e- → Cl- + 4 OH- 
B)  ClO2- + 4 H+ + 4 e- → Cl- + 2 H2O 
C)  ClO2- + H2O + e- → Cl- + OH- 
D)  ClO2- + H+ + e- → Cl- + H2O 
E)  ClO22- + 4 H2O + 8 e- → Cl- + 4 OH-

Question 12

Give the molecular shape of SO2.

Accepted Answer

A)  trigonal pyramidal 
B)  trigonal planar 
C)  tetrahedral 
D)  linear 
E)  bent 
A)  trigonal pyramidal 
B)  trigonal planar 
C)  tetrahedral 
D)  linear 
E)  bent

Question 13

Which of the following forms a complete set of oxyacids in which it exhibits the oxidation states of +1, +3, +5, and +7?

Accepted Answer

A)  fluorine 
B)  chlorine 
C)  bromine 
D)  iodine 
E)  astatine 
A)  fluorine 
B)  chlorine 
C)  bromine 
D)  iodine 
E)  astatine

Question 14

The noble gas Xe is completely unreactive.

Accepted Answer

A) True 
 B)False

Question 15

In the compound dinitrogen monoxide, sometimes used as a dental anesthetic, the oxidation state of nitrogen is ________.

Accepted Answer

A)  +1 
B)  -1 
C)  +2 
D)  -2 
E)  0 
A)  +1 
B)  -1 
C)  +2 
D)  -2 
E)  0

Question 16

Choose the INCORRECT statement.

Accepted Answer

A)  HI is a strong acid 
B)  HF is a strong acid 
C)  HCl is a strong acid 
D)  HBr is a strong acid 
E)  HF will etch glass 
A)  HI is a strong acid 
B)  HF is a strong acid 
C)  HCl is a strong acid 
D)  HBr is a strong acid 
E)  HF will etch glass

Question 17

The noble gas Xe is obtained commercially from air by fractional distillation.

Accepted Answer

A) True 
 B)False

Question 18

Which element is in a family that contains a metal, a nonmetal, and a metalloid?

Accepted Answer

A)  chlorine 
B)  nitrogen 
C)  iodine 
D)  none of these 
E)  calcium 
A)  chlorine 
B)  nitrogen 
C)  iodine 
D)  none of these 
E)  calcium

Question 19

In certain automotive catalytic converters, one step involves the catalyzed reduction by carbon monoxide of nitric oxide (nitrogen monoxide) to nitrogen gas, with the carbon monoxide being converted to carbon dioxide. When the equation for this process is balanced, the sum of the coefficients is ________.

Accepted Answer

A)  4 
B)  5 
C)  7 
D)  9 
E)  11 
A)  4 
B)  5 
C)  7 
D)  9 
E)  11

Question 20

Hydrogen compounds are called hybrids.

Accepted Answer

A) True 
 B)False

Exam 22: Main Group Elements II: Groups 18, 17, 16, 15, and Hydrogen

Which name/formula combination is INCORRECT?

Both bismuth and arsenic are obtained from their sulfide ores.

Write the equation for commercially extracting bromine from seawater.

What is the correct completion of the reaction: H2+ X2 → where X is a halogen

"Chlorine-type" laundry bleaches are in reality aqueous solutions of ________.

Choose the INCORRECT statement.

Write a balanced half equation for the following couple: O2 | OH- (basic)

Which of the following oxides is neither acidic nor amphoteric?

Which formula/name combination is INCORRECT?

Choose the INCORRECT statement.

Write a balanced half equation for the following couple: ClO2- | Cl- (basic)

Give the molecular shape of SO2.

Which of the following forms a complete set of oxyacids in which it exhibits the oxidation states of +1, +3, +5, and +7?

The noble gas Xe is completely unreactive.

In the compound dinitrogen monoxide, sometimes used as a dental anesthetic, the oxidation state of nitrogen is ________.

Choose the INCORRECT statement.

The noble gas Xe is obtained commercially from air by fractional distillation.

Which element is in a family that contains a metal, a nonmetal, and a metalloid?

Hydrogen compounds are called hybrids.

Matter - Its Properties and Measurement

Atoms and the Atomic Theory

Chemical Compounds

Chemical Reactions

Introduction to Reactions in Aqueous Solutions

Gases

Thermochemistry

Electrons in Atoms

The Periodic Table and Some Atomic Properties

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Additional Aspects

Intermolecular Forces: Liquids and Solids

Solutions and Their Physical Properties

Chemical Kinetics

Principles of Chemical Equilibrium

Acids and Bases

Additional Aspects of Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Spontaneous Change: Entropy and Free Energy

Electrochemistry

Main Group Elements I: Groups 1, 2, 13, and 14

The Transition Elements

Complex Ions and Coordination Compounds

Nuclear Chemistry 1-41

Structures of Organic Compounds

Reactions of Organic Compounds

Chemistry of the Living State

Filters

What is the correct completion of the reaction: H₂+ X₂ → where X is a halogen

Write a balanced half equation for the following couple: O₂ | OH- (basic)

Write a balanced half equation for the following couple: ClO₂- | Cl- (basic)

Give the molecular shape of SO₂.