Question 1

The instability of xenon fluorides is due to its negative enthalpy of formation.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following would produce an acidic solution?

Accepted Answer

A) Na2O and MgO 
B) Na2O, MgO, and CaH2 
C)    only 
D) CaH2 only 
E) CO, CO2, and CaH2 
A) Na2O and MgO 
B) Na2O, MgO, and CaH2 
C)    only 
D) CaH2 only 
E) CO, CO2, and CaH2

Question 3

Which halogen forms an oxyacid with the formula HXO2?

Accepted Answer

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

Question 4

The oxidation number of N in NO2- is ________.

Accepted Answer

A) +1 
B) +2 
C) +3 
D) +4 
E) +5 
A) +1 
B) +2 
C) +3 
D) +4 
E) +5

Question 5

The active ingredient in many liquid bleaches is ________.

Accepted Answer

A) NaCl 
B) NaClO 
C) NaClO2 
D) NaClO3 
E) NaClO4 
A) NaCl 
B) NaClO 
C) NaClO2 
D) NaClO3 
E) NaClO4

Question 6

The correct name for NaBH4 is ________.

Accepted Answer

A) sodium borohydride 
B) sodium borate 
C) sodium boride 
D) sodium borite 
E) sodium hydroboride 
A) sodium borohydride 
B) sodium borate 
C) sodium boride 
D) sodium borite 
E) sodium hydroboride

Question 7

Photochemical decomposition of HNO3 produces small amounts of NO2 which causes the solution to sometimes become ________ in color.

Accepted Answer

Question 8

Hydrogen peroxide is a highly polar and strongly hydrogen-bonded liquid.It decomposes to form water and ________.

Accepted Answer

The answer of Hydrogen peroxide is a highly polar and...

Question 9

What process replenishes O2?

Accepted Answer

Question 10

Which compound would produce a basic aqueous solution?

Accepted Answer

A) KH 
B) H2S 
C) C2H6 
D) CH3OH 
E) H2O 
A) KH 
B) H2S 
C) C2H6 
D) CH3OH 
E) H2O

Question 11

What anion containing Cl is used as a rocket fuel?

Accepted Answer

The answer of What anion containing Cl is used as...

Question 12

Which equation correctly represents the reaction between elemental chlorine and sodium iodide?

Accepted Answer

A) Cl + NaI → I + NaCl 
B)    + NaI →   + NaCl 
C)    + 2NaI →   + 2NaCl 
D) Cl + NaI → 1/2   + NaCl 
E)    + NaI → Na   +   
A) Cl + NaI → I + NaCl 
B)    + NaI →   + NaCl 
C)    + 2NaI →   + 2NaCl 
D) Cl + NaI → 1/2   + NaCl 
E)    + NaI → Na   +

Question 13

The oxidation state of sulfur in the SO3 molecule is ________.

Accepted Answer

A) +6 
B) +2 
C) -2 
D) +4 
E) 0 
A) +6 
B) +2 
C) -2 
D) +4 
E) 0

Question 14

Additives can be used in soda-lime glass to alter its ________.

Accepted Answer

A) ability to withstand temperature change 
B) color 
C) hardness 
D) melting point 
E) any of the above 
A) ability to withstand temperature change 
B) color 
C) hardness 
D) melting point 
E) any of the above

Question 15

What are the products of the reaction of PF3 (g)and water?

Accepted Answer

A) phosphorous acid and hydrofluoric acid 
B) elemental phosphorus and hydrofluoric acid 
C) phosphoric acid and fluorine gas 
D) elemental phosphorus and fluorine gas 
E) phosphoric acid and phosphorous acid 
A) phosphorous acid and hydrofluoric acid 
B) elemental phosphorus and hydrofluoric acid 
C) phosphoric acid and fluorine gas 
D) elemental phosphorus and fluorine gas 
E) phosphoric acid and phosphorous acid

Question 16

The number of electrons in the valence shell of Xe in XeF6 is ________

Accepted Answer

A) 10 
B) 12 
C) 14 
D) 6 
E) 8 
A) 10 
B) 12 
C) 14 
D) 6 
E) 8

Question 17

What is the oxidation state of oxygen in the superoxide ion?

Accepted Answer

The answer of What is the oxidation state of oxygen...

Question 18

Which of the following compounds is the most stable?

Accepted Answer

A) XeOCl4 
B) XeO2Cl2 
C) XeO3 
D) XeCl6 
E) XeCl2 
A) XeOCl4 
B) XeO2Cl2 
C) XeO3 
D) XeCl6 
E) XeCl2

Question 19

Pyrex® glass is formed by adding an oxide of ________ to soda-lime glass.

Accepted Answer

A) lead 
B) cobalt 
C) boron 
D) silver 
E) phosphorous 
A) lead 
B) cobalt 
C) boron 
D) silver 
E) phosphorous

Question 20

The electron-pair geometry and molecular geometry of XeF4 are ________ and ________,respectively.

Accepted Answer

A) octahedral; square pyramidal 
B) tetrahedral; tetrahedral 
C) octahedral; linear 
D) octahedral; square planar 
E) octahedral; bent 
A) octahedral; square pyramidal 
B) tetrahedral; tetrahedral 
C) octahedral; linear 
D) octahedral; square planar 
E) octahedral; bent

Exam 22: Chemistry of the Nonmetals

The instability of xenon fluorides is due to its negative enthalpy of formation.

Which of the following would produce an acidic solution?

Which halogen forms an oxyacid with the formula HXO2?

The oxidation number of N in NO2- is ________.

The active ingredient in many liquid bleaches is ________.

The correct name for NaBH4 is ________.

Photochemical decomposition of HNO3 produces small amounts of NO2 which causes the solution to sometimes become ________ in color.

Hydrogen peroxide is a highly polar and strongly hydrogen-bonded liquid.It decomposes to form water and ________.

What process replenishes O2?

Which compound would produce a basic aqueous solution?

What anion containing Cl is used as a rocket fuel?

Which equation correctly represents the reaction between elemental chlorine and sodium iodide?

The oxidation state of sulfur in the SO3 molecule is ________.

Additives can be used in soda-lime glass to alter its ________.

What are the products of the reaction of PF3 (g)and water?

The number of electrons in the valence shell of Xe in XeF6 is ________

What is the oxidation state of oxygen in the superoxide ion?

Which of the following compounds is the most stable?

Pyrex® glass is formed by adding an oxide of ________ to soda-lime glass.

The electron-pair geometry and molecular geometry of XeF4 are ________ and ________,respectively.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

Which halogen forms an oxyacid with the formula HXO₂?

The oxidation number of N in NO₂^-is ________.

The correct name for NaBH₄ is ________.

Photochemical decomposition of HNO₃ produces small amounts of NO₂ which causes the solution to sometimes become ________ in color.

What process replenishes O₂?

The oxidation state of sulfur in the SO₃ molecule is ________.

What are the products of the reaction of PF₃ (g)and water?

The number of electrons in the valence shell of Xe in XeF₆ is ________

The electron-pair geometry and molecular geometry of XeF₄ are and ,respectively.