Question 1

The formula of boric acid written as a Brønsted acid is

Accepted Answer

A)  HB(OH)S1U1B12S1U1B0 
B)  B(OHS1U1B12S1U1B0)S1U1B13S1U1B0S1U1P13+S1S1P0 
C)  B(OH)S1U1B14S1U1B0S1U1P1-S1S1P0 
D)  HB(OH)S1U1B13S1U1B0 
E)  B(OH)S1U1B13S1U1B0OHS1U1B12S1U1B0 
A)  HB(OH)S1U1B12S1U1B0 
B)  B(OHS1U1B12S1U1B0)S1U1B13S1U1B0S1U1P13+S1S1P0 
C)  B(OH)S1U1B14S1U1B0S1U1P1-S1S1P0 
D)  HB(OH)S1U1B13S1U1B0 
E)  B(OH)S1U1B13S1U1B0OHS1U1B12S1U1B0

Question 2

Which of the Group 15 elements is(are) a metalloid(s)?

Accepted Answer

A)  As only 
B)  As and Sb 
C)  P and As 
D)  P, As, and Sb 
E)  As, Sb, and Bi 
A)  As only 
B)  As and Sb 
C)  P and As 
D)  P, As, and Sb 
E)  As, Sb, and Bi

Question 3

When sulfuric acid and calcium fluoride are mixed, a product is

Accepted Answer

A)  F2(g). 
B)  SO2(g). 
C)  HF(g). 
D)  H2S(g). 
E)  SF2(g). 
A)  F2(g). 
B)  SO2(g). 
C)  HF(g). 
D)  H2S(g). 
E)  SF2(g).

Question 4

What is the shape of BrF5?

Accepted Answer

A)  Seesaw 
B)  Square planar 
C)  Square pyramidal 
D)  Octahedral 
E)  Trigonal bipyramidal 
A)  Seesaw 
B)  Square planar 
C)  Square pyramidal 
D)  Octahedral 
E)  Trigonal bipyramidal

Question 5

Saline carbides contain the anion(s)

Accepted Answer

A)  C22S1U1P1-S1S1P0 and C4S1U1P1-S1S1P0. 
B)  CH22S1U1P1-S1S1P0 
C)  HC2S1U1P1-S1S1P0 
D)  CO32S1U1P1-S1S1P0 and HCO3S1U1P1-S1S1P0. 
E)  CNS1U1P1-S1S1P0 and N3S1U1P1-S1S1P0. 
A)  C22S1U1P1-S1S1P0 and C4S1U1P1-S1S1P0. 
B)  CH22S1U1P1-S1S1P0 
C)  HC2S1U1P1-S1S1P0 
D)  CO32S1U1P1-S1S1P0 and HCO3S1U1P1-S1S1P0. 
E)  CNS1U1P1-S1S1P0 and N3S1U1P1-S1S1P0.

Question 6

Aqueous solutions of phosphine, PH3,

Accepted Answer

A)  are neutral. 
B)  contain the PH2-(aq) ion exclusively. 
C)  are basic. 
D)  readily form PH4+(aq). 
E)  cannot exist. 
A)  are neutral. 
B)  contain the PH2-(aq) ion exclusively. 
C)  are basic. 
D)  readily form PH4+(aq). 
E)  cannot exist.

Question 7

The formula of hydrazine is

Accepted Answer

A)  N2H2. 
B)  HNO2. 
C)  NH2NH2. 
D)  HN3.  
E)  NH2OH. 
A)  N2H2. 
B)  HNO2. 
C)  NH2NH2. 
D)  HN3.  
E)  NH2OH.

Question 8

When magnesium burns in air,what are the main products?

Accepted Answer

Magnesium

Question 9

The geometry of PCl4+ is

Accepted Answer

A)  T-shaped. 
B)  tetrahedral. 
C)  seesaw. 
D)  trigonal bipyramidal. 
E)  trigonal pyramidal. 
A)  T-shaped. 
B)  tetrahedral. 
C)  seesaw. 
D)  trigonal bipyramidal. 
E)  trigonal pyramidal.

Question 10

What is the shape of ClF4+?

Accepted Answer

A)  Seesaw 
B)  T-shaped 
C)  Trigonal bipyramidal 
D)  Tetrahedral 
E)  Square planar 
A)  Seesaw 
B)  T-shaped 
C)  Trigonal bipyramidal 
D)  Tetrahedral 
E)  Square planar

Question 11

The molecule Al2Br6 is formed from two AlBr3 molecules .This reaction is

Accepted Answer

A)  a precipitation reaction. 
B)  a reduction reaction. 
C)  an oxidation reaction. 
D)  redox dimerization reaction. 
E)  a Lewis acid-base complex formation reaction. 
A)  a precipitation reaction. 
B)  a reduction reaction. 
C)  an oxidation reaction. 
D)  redox dimerization reaction. 
E)  a Lewis acid-base complex formation reaction.

Question 12

The oxides of In and Tl

Accepted Answer

A)  are amphoteric. 
B)  react with base. 
C)  react with water. 
D)  are unstable and cannot be isolated. 
E)  are basic. 
A)  are amphoteric. 
B)  react with base. 
C)  react with water. 
D)  are unstable and cannot be isolated. 
E)  are basic.

Question 13

Which of the following is an acidic oxide?

Accepted Answer

A)  CaO(s) 
B)  MgO(s) 
C)  Bi2O3(s) 
D)  Na2O(s) 
E)  SiO2(s) 
A)  CaO(s) 
B)  MgO(s) 
C)  Bi2O3(s) 
D)  Na2O(s) 
E)  SiO2(s)

Question 14

Sulfur dioxide can act as both an oxidizing agent and a reducing agent; explain.

Accepted Answer

In sulfur dioxide,th

Question 15

The allotropes of carbon are graphite,diamond,and the fullerenes.These are all network solids.

Accepted Answer

A) True 
 B)False

Question 16

Sulfur does not react directly with

Accepted Answer

A)  chlorine. 
B)  chlorine and bromine. 
C)  fluorine. 
D)  fluorine and chlorine. 
E)  iodine. 
A)  chlorine. 
B)  chlorine and bromine. 
C)  fluorine. 
D)  fluorine and chlorine. 
E)  iodine.

Question 17

Sodium borohydride is an oxidizing agent.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is the weakest acid?

Accepted Answer

A)  HClO4  
B)  HIO 
C)  HBrO4  
D)  HClO 
E)  HBrO3  
A)  HClO4  
B)  HIO 
C)  HBrO4  
D)  HClO 
E)  HBrO3

Question 19

Which of the following is likely to dissolve to the greatest extent in liquid ammonia?

Accepted Answer

A)  KCl 
B)  MgCl2  
C)  NaCl 
D)  RbI 
E)  LiF 
A)  KCl 
B)  MgCl2  
C)  NaCl 
D)  RbI 
E)  LiF

Question 20

The valence electrons of elements in the lower left of the periodic table experience the greatest effective nuclear charge.

Accepted Answer

A) True 
 B)False

The formula of boric acid written as a Brønsted acid is

Which of the Group 15 elements is(are) a metalloid(s)?

When sulfuric acid and calcium fluoride are mixed, a product is

What is the shape of BrF₅?

Saline carbides contain the anion(s)

Aqueous solutions of phosphine, PH₃,

The formula of hydrazine is

When magnesium burns in air,what are the main products?

The geometry of PCl₄⁺ is

What is the shape of ClF₄⁺?

The molecule Al₂Br₆ is formed from two AlBr₃ molecules .This reaction is

The oxides of In and Tl

Which of the following is an acidic oxide?

Sulfur dioxide can act as both an oxidizing agent and a reducing agent; explain.

The allotropes of carbon are graphite,diamond,and the fullerenes.These are all network solids.

Sulfur does not react directly with

Sodium borohydride is an oxidizing agent.

Which of the following is the weakest acid?

Which of the following is likely to dissolve to the greatest extent in liquid ammonia?

The valence electrons of elements in the lower left of the periodic table experience the greatest effective nuclear charge.

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 8: The Main-Group Elements

The formula of boric acid written as a Brønsted acid is

Which of the Group 15 elements is(are) a metalloid(s)?

When sulfuric acid and calcium fluoride are mixed, a product is

What is the shape of BrF5?

Saline carbides contain the anion(s)

Aqueous solutions of phosphine, PH3,

The formula of hydrazine is

When magnesium burns in air,what are the main products?

The geometry of PCl4+ is

What is the shape of ClF4+?

The molecule Al2Br6 is formed from two AlBr3 molecules .This reaction is

The oxides of In and Tl

Which of the following is an acidic oxide?

Sulfur dioxide can act as both an oxidizing agent and a reducing agent; explain.

The allotropes of carbon are graphite,diamond,and the fullerenes.These are all network solids.

Sulfur does not react directly with

Sodium borohydride is an oxidizing agent.

Which of the following is the weakest acid?

Which of the following is likely to dissolve to the greatest extent in liquid ammonia?

The valence electrons of elements in the lower left of the periodic table experience the greatest effective nuclear charge.

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

What is the shape of BrF₅?

Aqueous solutions of phosphine, PH₃,

The geometry of PCl₄⁺ is

What is the shape of ClF₄⁺?

The molecule Al₂Br₆ is formed from two AlBr₃ molecules .This reaction is