Question 1

Which of the following is the anhydride of sulfurous acid?

Accepted Answer

A) SO2 
B) SO3 
C) SO42-F 
D) HSO4- 
A) SO2 
B) SO3 
C) SO42-F 
D) HSO4-

Question 2

Which of the following exists mainly as cations in compounds?

Accepted Answer

A) P 
B) Ga 
C) As 
D) Si 
E) Sr 
A) P 
B) Ga 
C) As 
D) Si 
E) Sr

Question 3

Which of the following is a covalent carbide?

Accepted Answer

A) W2C 
B) Fe3C 
C) SrC2  
D) CaC2  
E) SiC 
A) W2C 
B) Fe3C 
C) SrC2  
D) CaC2  
E) SiC

Question 4

All of the following are silicon-oxygen compounds except

Accepted Answer

A) asbestos. 
B) quartz. 
C) talc. 
D) diamond. 
E) mica. 
A) asbestos. 
B) quartz. 
C) talc. 
D) diamond. 
E) mica.

Question 5

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 6

Which of the following statements is false?

Accepted Answer

A) Oxides of nonmetals are acidic. 
B) Elements with intermediate ionization energies form amphoteric oxides. 
C) Elements with low ionization energies commonly form ionic oxides. 
D) Oxides of main-group metals are acidic. 
A) Oxides of nonmetals are acidic. 
B) Elements with intermediate ionization energies form amphoteric oxides. 
C) Elements with low ionization energies commonly form ionic oxides. 
D) Oxides of main-group metals are acidic.

Question 7

Which of the following reactions are hydrolysis reactions?

Accepted Answer

A) 1 only 
B) 2 and 4 
C) 2 and 3 
D) 1 and 4 
E) 2 only 
A) 1 only 
B) 2 and 4 
C) 2 and 3 
D) 1 and 4 
E) 2 only

Question 8

Sodium borohydride is produced from the reaction of

Accepted Answer

A) B(OH)3(aq)and BCl3(l). 
B) NaH(s)and B(s). 
C) NaH(s)and B2O3(s). 
D) NaH(s)and B(OH)3(aq). 
E) NaH(s)and BCl3(l). 
A) B(OH)3(aq)and BCl3(l). 
B) NaH(s)and B(s). 
C) NaH(s)and B2O3(s). 
D) NaH(s)and B(OH)3(aq). 
E) NaH(s)and BCl3(l).

Question 9

In the following reaction,what role does CO play?
PbO(s)+ CO(g)$\rightarrow$ Pb(s)+ CO2(g).

Accepted Answer

It is a re

Question 10

What is the formula of quicklime?

Accepted Answer

A) CaO 
B) MgSO4  
C) Ca(OH)2  
D) CaCO3  
E) CaSO4  
A) CaO 
B) MgSO4  
C) Ca(OH)2  
D) CaCO3  
E) CaSO4

Question 11

Both H2O and H2S can participate in hydrogen bonding.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following does not form a saline hydride?

Accepted Answer

A) Lithium 
B) Barium 
C) Calcium 
D) Magnesium 
E) Beryllium 
A) Lithium 
B) Barium 
C) Calcium 
D) Magnesium 
E) Beryllium

Question 13

Autoprotolysis occurs to a much smaller extent in ammonia (Km = 1 * 10-33 at -35S1U1P1$\circ$S1S1P0C)than in water.This means that

Accepted Answer

A) very strong bases that would be protonated in water survive in their anionic form in ammonia. 
B) [NH4+(am)] $\neq$[NH2-(am)]. 
C) strongly ionic compounds are very soluble in ammonia. 
D) ammonia is not very soluble in water. 
E) ammonia is not a very good solvent for a wide range of compounds. 
A) very strong bases that would be protonated in water survive in their anionic form in ammonia. 
B) [NH4+(am)] $\neq$[NH2-(am)]. 
C) strongly ionic compounds are very soluble in ammonia. 
D) ammonia is not very soluble in water. 
E) ammonia is not a very good solvent for a wide range of compounds.

Question 14

Which of the following has the smallest polarizability?

Accepted Answer

A) Ca2+ 
B) S2+ 
C) Cl 
D) S 
A) Ca2+ 
B) S2+ 
C) Cl 
D) S

Question 15

What is the shape of ClF2+?

Accepted Answer

A) Bent (~120o) 
B) Trigonal bipyramidal 
C) Ttetrahedral 
D) Linear 
E) Bent (~109o) 
A) Bent (~120o) 
B) Trigonal bipyramidal 
C) Ttetrahedral 
D) Linear 
E) Bent (~109o)

Question 16

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 17

Which is the correct formula for anhydrous Epsom salts?

Accepted Answer

A) Mg(OH)2  
B) MgCl2  
C) CaSO4  
D) CaCl2  
E) None of the above. 
A) Mg(OH)2  
B) MgCl2  
C) CaSO4  
D) CaCl2  
E) None of the above.

Question 18

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

Question 19

Which one of the following statements is false?

Accepted Answer

A) Fluorine can be produced by oxidation of a fluoride ion with chlorine. 
B) Bromine can be produced by oxidation of a bromide ion with chlorine. 
C) Fluorine is produced by electrolysis of an anhydrous mixture of KF and HF. 
D) The most stable form of fluorine at 25S1U1P1$\circ$S1S1P0C and 1 atm is F2(g). 
A) Fluorine can be produced by oxidation of a fluoride ion with chlorine. 
B) Bromine can be produced by oxidation of a bromide ion with chlorine. 
C) Fluorine is produced by electrolysis of an anhydrous mixture of KF and HF. 
D) The most stable form of fluorine at 25S1U1P1$\circ$S1S1P0C and 1 atm is F2(g).

Question 20

The lattice enthalpies of ionic compounds of fluoride tend to be very high because

Accepted Answer

A) fluorine has a high electronegativity. 
B) fluoride ion has an oxidation state of -1. 
C) fluorine gas is very reactive. 
D) the fluoride ion is small. 
E) fluorine is a strong oxidant. 
A) fluorine has a high electronegativity. 
B) fluoride ion has an oxidation state of -1. 
C) fluorine gas is very reactive. 
D) the fluoride ion is small. 
E) fluorine is a strong oxidant.

Which of the following is the anhydride of sulfurous acid?

Which of the following exists mainly as cations in compounds?

Which of the following is a covalent carbide?

All of the following are silicon-oxygen compounds except

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

Which of the following statements is false?

Which of the following reactions are hydrolysis reactions?

Sodium borohydride is produced from the reaction of

In the following reaction,what role does CO play? PbO(s)+ CO(g) $\rightarrow$ Pb(s)+ CO₂(g).

What is the formula of quicklime?

Both H₂O and H₂S can participate in hydrogen bonding.

Which of the following does not form a saline hydride?

Autoprotolysis occurs to a much smaller extent in ammonia (K_m = 1 * 10^-33 at -35^$\circ$C)than in water.This means that

Which of the following has the smallest polarizability?

What is the shape of ClF₂⁺?

Which of the following is an acidic oxide?

Which is the correct formula for anhydrous Epsom salts?

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

Which one of the following statements is false?

The lattice enthalpies of ionic compounds of fluoride tend to be very high because

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

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Exam 16: The Elements: the Main Group Elements

Which of the following is the anhydride of sulfurous acid?

Which of the following exists mainly as cations in compounds?

Which of the following is a covalent carbide?

All of the following are silicon-oxygen compounds except

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

Which of the following statements is false?

Which of the following reactions are hydrolysis reactions?

Sodium borohydride is produced from the reaction of

In the following reaction,what role does CO play? PbO(s)+ CO(g) →\rightarrow→ Pb(s)+ CO2(g).

What is the formula of quicklime?

Both H2O and H2S can participate in hydrogen bonding.

Which of the following does not form a saline hydride?

Autoprotolysis occurs to a much smaller extent in ammonia (Km = 1 * 10-33 at -35 ∘\circ∘ C)than in water.This means that

Which of the following has the smallest polarizability?

What is the shape of ClF2+?

Which of the following is an acidic oxide?

Which is the correct formula for anhydrous Epsom salts?

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

Which one of the following statements is false?

The lattice enthalpies of ionic compounds of fluoride tend to be very high because

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

In the following reaction,what role does CO play? PbO(s)+ CO(g) $\rightarrow$ Pb(s)+ CO₂(g).

Both H₂O and H₂S can participate in hydrogen bonding.

Autoprotolysis occurs to a much smaller extent in ammonia (K_m = 1 * 10^-33 at -35^$\circ$C)than in water.This means that

What is the shape of ClF₂⁺?