Question 1

Which of the following is a basic oxide?

Accepted Answer

A) CaO(s) 
B) CO2(g) 
C) SO2(g) 
D) CO(g) 
E) SiO2(s) 
A) CaO(s) 
B) CO2(g) 
C) SO2(g) 
D) CO(g) 
E) SiO2(s)

Question 2

What reaction produces diborane?

Accepted Answer

A) BH3(g)and B(s). 
B) BF3(g)and NaBH4(s). 
C) B(s)and H2(g). 
D) B(s)and NH3(g). 
E) BCl3(g)and NaH(s). 
A) BH3(g)and B(s). 
B) BF3(g)and NaBH4(s). 
C) B(s)and H2(g). 
D) B(s)and NH3(g). 
E) BCl3(g)and NaH(s).

Question 3

Which of the alkaline earth metals does not form a saline hydride?

Accepted Answer

The answer of Which of the alkaline earth metals does...

Question 4

Because the sulfur atom in SF6 has an oxidation number of +6,SF6 is a good oxidizing agent.

Accepted Answer

A) True 
 B)False

Question 5

(a)The phase diagram of helium has ____ triple points.
(b)The ionization energy of both oxygen and xenon is about 1200 kJ.mol-1.What does this observation suggest?
(c)The first noble gas compound actually contained the XeF+ ion.Write the Lewis structure of this ion and predict whether it should be stable.

Accepted Answer

(a)2 (b)If O₂ can be oxidize

Question 6

Which of the following is a saline carbide?

Accepted Answer

A) SiC 
B) CaC2  
C) Mo2C 
D) Fe3C 
E) W2C 
A) SiC 
B) CaC2  
C) Mo2C 
D) Fe3C 
E) W2C

Question 7

The preparation of HI(g)by the reaction of KI(s)with phosphoric acid is not a redox reaction.

Accepted Answer

A) True 
 B)False

Question 8

The reaction of potassium superoxide with water vapor produces

Accepted Answer

A) K2O(s). 
B) H2O2(l). 
C) KHCO3(s). 
D) O2(g). 
E) H2(g). 
A) K2O(s). 
B) H2O2(l). 
C) KHCO3(s). 
D) O2(g). 
E) H2(g).

Question 9

When magnesium burns in air,the product(s)is (are)

Accepted Answer

A) MgO. 
B) MgO and Mg3N2.  
C) MgAr. 
D) MgCO3.  
E) MgS and MgO. 
A) MgO. 
B) MgO and Mg3N2.  
C) MgAr. 
D) MgCO3.  
E) MgS and MgO.

Question 10

Boron nitride is produced from the reaction of

Accepted Answer

A) B(s)and HCN(g). 
B) B(s)and NH3(g). 
C) B2O3(s)and NH3(g). 
D) B2H6(g)and N2(g). 
E) B(s)and N2(g). 
A) B(s)and HCN(g). 
B) B(s)and NH3(g). 
C) B2O3(s)and NH3(g). 
D) B2H6(g)and N2(g). 
E) B(s)and N2(g).

Question 11

White phosphorus

Accepted Answer

A) is an amorphous substance. 
B) is not very toxic. 
C) is very unreactive. 
D) consists of large,random aggregates of phosphorus atoms. 
E) consists of tetrahedral P4 molecules. 
A) is an amorphous substance. 
B) is not very toxic. 
C) is very unreactive. 
D) consists of large,random aggregates of phosphorus atoms. 
E) consists of tetrahedral P4 molecules.

Question 12

The term catenation refers to

Accepted Answer

A) the ability of sulfur to bond four oxygen atoms. 
B) the ability of sulfur to form chains of atoms. 
C) the fact that sulfur can exist as monatomic S(g). 
D) the fact that ozone is an allotrope of oxygen. 
E) the synthesis of sulfuric acid. 
A) the ability of sulfur to bond four oxygen atoms. 
B) the ability of sulfur to form chains of atoms. 
C) the fact that sulfur can exist as monatomic S(g). 
D) the fact that ozone is an allotrope of oxygen. 
E) the synthesis of sulfuric acid.

Question 13

Phosphorus pentachloride reacts with water to give

Accepted Answer

A) H3PO3(s)and HCl(g). 
B) H3PO4(l)and HClO(aq). 
C) H3PO3(s)and Cl2(g). 
D) H3PO4(l)and Cl2(g). 
E) H3PO4(l)and HCl(g). 
A) H3PO3(s)and HCl(g). 
B) H3PO4(l)and HClO(aq). 
C) H3PO3(s)and Cl2(g). 
D) H3PO4(l)and Cl2(g). 
E) H3PO4(l)and HCl(g).

Question 14

What is the shape of XeOF4?

Accepted Answer

A) trigonal bipyramidal 
B) square planar 
C) T-shaped 
D) square pyramidal 
E) octahedral 
A) trigonal bipyramidal 
B) square planar 
C) T-shaped 
D) square pyramidal 
E) octahedral

Question 15

Consider the unbalanced reactions
Na(s)+ P4(s)$\rightarrow$  A
A + H2O(l)$\rightarrow$  B + C
Write the formulas of A,B,and C.

Accepted Answer

A = Na₃P(

Question 16

The formula of boric acid written as a Lewis acid is

Accepted Answer

A) B(OH)3.  
B) HB(OH)3.  
C) HB(OH)4.  
D) B(OH)4-. 
E) HB(OH)2. 
A) B(OH)3.  
B) HB(OH)3.  
C) HB(OH)4.  
D) B(OH)4-. 
E) HB(OH)2.

Question 17

Hydrazine is produced by the reaction of

Accepted Answer

A) nitric acid with hygrogen. 
B) nitrogen dioxide with water. 
C) nitrogen with water vapor at high pressure. 
D) ammonia with alkaline hypochlorite solution. 
E) ammonia with hydrogen. 
A) nitric acid with hygrogen. 
B) nitrogen dioxide with water. 
C) nitrogen with water vapor at high pressure. 
D) ammonia with alkaline hypochlorite solution. 
E) ammonia with hydrogen.

Question 18

Order the following acids from weakest to strongest: HClO,HClO4,HClO2,HClO3.

Accepted Answer

A) HClO 3 4 2  
B) HClO4 2 3  
C) HClO 4 3 2  
D) HClO4 3 2 2 3 4  
A) HClO 3 4 2  
B) HClO4 2 3  
C) HClO 4 3 2  
D) HClO4 3 2 2 3 4

Question 19

Which of the following is(are)true of sulfuric acid?

Accepted Answer

A) Sulfuric acid is an oxidizing agent. 
B) Sulfuric acid is a strong dehydrating agent. 
C) Sulfuric acid is a strong Brønsted acid. 
D) B,C,and D are all properties of sulfuric acid. 
A) Sulfuric acid is an oxidizing agent. 
B) Sulfuric acid is a strong dehydrating agent. 
C) Sulfuric acid is a strong Brønsted acid. 
D) B,C,and D are all properties of sulfuric acid.

Question 20

Which of the following metals,Ag,Zn,Cu,Ni,Au,Pt,Sn,cannot be extracted by hydrometallurgical reduction of their ions with hydrogen?

Accepted Answer

A) Au,Pt 
B) Ag,Au,Pt 
C) Zn,Ni,Au 
D) Zn,Ni,Sn 
E) Ag,Cu,Au,Pt 
A) Au,Pt 
B) Ag,Au,Pt 
C) Zn,Ni,Au 
D) Zn,Ni,Sn 
E) Ag,Cu,Au,Pt

Which of the following is a basic oxide?

What reaction produces diborane?

Which of the alkaline earth metals does not form a saline hydride?

Because the sulfur atom in SF₆ has an oxidation number of +6,SF₆ is a good oxidizing agent.

Which of the following is a saline carbide?

The preparation of HI(g)by the reaction of KI(s)with phosphoric acid is not a redox reaction.

The reaction of potassium superoxide with water vapor produces

When magnesium burns in air,the product(s)is (are)

Boron nitride is produced from the reaction of

White phosphorus

The term catenation refers to

Phosphorus pentachloride reacts with water to give

What is the shape of XeOF₄?

Consider the unbalanced reactions Na(s)+ P₄(s) $\rightarrow$ A A + H₂O(l) $\rightarrow$ B + C Write the formulas of A,B,and C.

The formula of boric acid written as a Lewis acid is

Hydrazine is produced by the reaction of

Order the following acids from weakest to strongest: HClO,HClO₄,HClO₂,HClO₃.

Which of the following is(are)true of sulfuric acid?

Which of the following metals,Ag,Zn,Cu,Ni,Au,Pt,Sn,cannot be extracted by hydrometallurgical reduction of their ions with hydrogen?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: The D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

Exam 16: The Elements: the Main Group Elements

Which of the following is a basic oxide?

What reaction produces diborane?

Which of the alkaline earth metals does not form a saline hydride?

Because the sulfur atom in SF6 has an oxidation number of +6,SF6 is a good oxidizing agent.

Which of the following is a saline carbide?

The preparation of HI(g)by the reaction of KI(s)with phosphoric acid is not a redox reaction.

The reaction of potassium superoxide with water vapor produces

When magnesium burns in air,the product(s)is (are)

Boron nitride is produced from the reaction of

White phosphorus

The term catenation refers to

Phosphorus pentachloride reacts with water to give

What is the shape of XeOF4?

Consider the unbalanced reactions Na(s)+ P4(s) →\rightarrow→ A A + H2O(l) →\rightarrow→ B + C Write the formulas of A,B,and C.

The formula of boric acid written as a Lewis acid is

Hydrazine is produced by the reaction of

Order the following acids from weakest to strongest: HClO,HClO4,HClO2,HClO3.

Which of the following is(are)true of sulfuric acid?

Which of the following metals,Ag,Zn,Cu,Ni,Au,Pt,Sn,cannot be extracted by hydrometallurgical reduction of their ions with hydrogen?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: The D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

Because the sulfur atom in SF₆ has an oxidation number of +6,SF₆ is a good oxidizing agent.

What is the shape of XeOF₄?

Consider the unbalanced reactions Na(s)+ P₄(s) $\rightarrow$ A A + H₂O(l) $\rightarrow$ B + C Write the formulas of A,B,and C.

Order the following acids from weakest to strongest: HClO,HClO₄,HClO₂,HClO₃.