Question 1

Beryllium and aluminum have similar properties because

Accepted Answer

A) both have similar electron affinities. 
B) both have almost identical ionization energies. 
C) both ions are highly polarizing due to their small size and high charge. 
D) both have virtually identical atomic radii. 
A) both have similar electron affinities. 
B) both have almost identical ionization energies. 
C) both ions are highly polarizing due to their small size and high charge. 
D) both have virtually identical atomic radii.

Question 2

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 3

Xenon can exhibit all the following oxidation numbers in its compounds.

Accepted Answer

A) +2,+4,+6,+8. 
B) 0,+2,+3. 
C) +2,+4,+5. 
D) +2,+4,+6,+7. 
E) +2,+3,+4,+5,+6. 
A) +2,+4,+6,+8. 
B) 0,+2,+3. 
C) +2,+4,+5. 
D) +2,+4,+6,+7. 
E) +2,+3,+4,+5,+6.

Question 4

In ClF3,the number of regions of high electron concentration around the chlorine atom are

Accepted Answer

A) 3 
B) 4 
C) 5 
D) 6 
E) 2 
A) 3 
B) 4 
C) 5 
D) 6 
E) 2

Question 5

Of the following,which compound(s)exist?

Accepted Answer

A) NCl3 
B) PCl5 
C) PCl3 
D) NCl5 
E) A through C exist. 
A) NCl3 
B) PCl5 
C) PCl3 
D) NCl5 
E) A through C exist.

Question 6

Which of the following is an interstitial carbide?

Accepted Answer

A) SrC2  
B) Al4C3  
C) CaC2  
D) K2C2  
E) W2C 
A) SrC2  
B) Al4C3  
C) CaC2  
D) K2C2  
E) W2C

Question 7

Consider the following possible reactions:
 
Which of the reactions that occur are Lewis acidbase reactions?

Accepted Answer

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

Question 8

Which of the following is not a redox reaction?

Accepted Answer

A) 3Mg + N2 $\rightarrow$ Mg3N2 
B) 2P3-+6HS1U1B12S1U1B0O$\rightarrow$  2PH3 + 6OH- 
C) 2NaN3 $\rightarrow$ 2Na + N2 
D) 2NO + O2 $\rightarrow$2NO2 
E) N2H4 + O2 $\rightarrow$N2 + 2H2O 
A) 3Mg + N2 $\rightarrow$ Mg3N2 
B) 2P3-+6HS1U1B12S1U1B0O$\rightarrow$  2PH3 + 6OH- 
C) 2NaN3 $\rightarrow$ 2Na + N2 
D) 2NO + O2 $\rightarrow$2NO2 
E) N2H4 + O2 $\rightarrow$N2 + 2H2O

Question 9

Consider the reaction
Fe(ClO4)3(aq)+ 6H2O(l)$\rightarrow$ Fe(H2O)63+ + 3ClO4-(aq)
Which of the following statements are true?

Accepted Answer

A) Fe(ClO4)3 acts as a Lewis base. 
B) H2O acts as a Lewis acid. 
C) H2O acts as a Lewis base. 
D) H2O acts as a Brønsted acid. 
E) H2O acts as a Brønsted base. 
A) Fe(ClO4)3 acts as a Lewis base. 
B) H2O acts as a Lewis acid. 
C) H2O acts as a Lewis base. 
D) H2O acts as a Brønsted acid. 
E) H2O acts as a Brønsted base.

Question 10

Al2O3(s)dissolves in aqueous acid to produce

Accepted Answer

A) Al(OH2)63+(aq). 
B) Al(OH)4-(aq)and O2(g). 
C) Al(OH)4-(aq). 
D) Al(OH2)63+(aq)and H2(g). 
E) Al(OH)4-(aq)and H2(g). 
A) Al(OH2)63+(aq). 
B) Al(OH)4-(aq)and O2(g). 
C) Al(OH)4-(aq). 
D) Al(OH2)63+(aq)and H2(g). 
E) Al(OH)4-(aq)and H2(g).

Question 11

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 12

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 13

Both the hydride ion and sodium metal reduce water.

Accepted Answer

A) True 
 B)False

Question 14

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 15

All of the following form clathrates with water except

Accepted Answer

A) CH4 
B) SO2 
C) NO 
D) CO2 
E) Ne 
A) CH4 
B) SO2 
C) NO 
D) CO2 
E) Ne

Question 16

Which of the following reactions does not occur?

Accepted Answer

A) 2Br-(aq)+ Cl2(g)$\rightarrow$ Br2(l)+ 2Cl-(aq) 
B) 2I-(aq)+ Cl2(g)$\rightarrow$ I2(aq)+ 2Cl-(aq) 
C) Cl2(g)+ H2O(aq)$\rightarrow$ HClO(aq)+ HCl(aq) 
D) KI(s)+ H3PO4(aq)$\rightarrow$ KH2PO4(AQ)+ hi(G) 
E) 2-(aq)+ Cl2(g)$\rightarrow$ F2(g)+ 2Cl-(aq) 
A) 2Br-(aq)+ Cl2(g)$\rightarrow$ Br2(l)+ 2Cl-(aq) 
B) 2I-(aq)+ Cl2(g)$\rightarrow$ I2(aq)+ 2Cl-(aq) 
C) Cl2(g)+ H2O(aq)$\rightarrow$ HClO(aq)+ HCl(aq) 
D) KI(s)+ H3PO4(aq)$\rightarrow$ KH2PO4(AQ)+ hi(G) 
E) 2-(aq)+ Cl2(g)$\rightarrow$ F2(g)+ 2Cl-(aq)

Question 17

The anhydride of phosphoric acid is produced by the reaction

Accepted Answer

A) H3PO4(aq)$\rightarrow$  HPO3(aq)+ H2O(l). 
B) 2H3PO4(l)$\rightarrow$ H4P2O7(l)+ H2O(l). 
C) P4(s)+ 3O2(g)$\rightarrow$ P4O6(s). 
D) P4(s)+ 5O2(g)$\rightarrow$ P4O10(s). 
E) P4(g)+ 3OH-(aq)+ 3H2O(l)$\rightarrow$ 3H2PO2$\rightarrow$ (aq)+ PH3(g). 
A) H3PO4(aq)$\rightarrow$  HPO3(aq)+ H2O(l). 
B) 2H3PO4(l)$\rightarrow$ H4P2O7(l)+ H2O(l). 
C) P4(s)+ 3O2(g)$\rightarrow$ P4O6(s). 
D) P4(s)+ 5O2(g)$\rightarrow$ P4O10(s). 
E) P4(g)+ 3OH-(aq)+ 3H2O(l)$\rightarrow$ 3H2PO2$\rightarrow$ (aq)+ PH3(g).

Question 18

Lithium and magnesium have similar properties and their compounds have covalent character.

Accepted Answer

A) True 
 B)False

Question 19

The gaseous halides can all be synthesized by oxidation of their ions.

Accepted Answer

A) True 
 B)False

Question 20

When metallic hydrides are heated,they

Accepted Answer

A) decompose explosively to yield metal oxides. 
B) liberate oxygen and hydrogen. 
C) liberate hydrogen. 
D) produce hydrogen ions. 
E) do not change because they are extremely stable. 
A) decompose explosively to yield metal oxides. 
B) liberate oxygen and hydrogen. 
C) liberate hydrogen. 
D) produce hydrogen ions. 
E) do not change because they are extremely stable.

Beryllium and aluminum have similar properties because

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

Xenon can exhibit all the following oxidation numbers in its compounds.

In ClF₃,the number of regions of high electron concentration around the chlorine atom are

Of the following,which compound(s)exist?

Which of the following is an interstitial carbide?

Consider the following possible reactions: Which of the reactions that occur are Lewis acidbase reactions?

Which of the following is not a redox reaction?

Consider the reaction Fe(ClO₄)₃(aq)+ 6H₂O(l) $\rightarrow$ Fe(H₂O)₆³⁺ + 3ClO₄^-(aq) Which of the following statements are true?

Al₂O₃(s)dissolves in aqueous acid to produce

The oxides of In and Tl

Aqueous solutions of phosphine,PH₃,

Both the hydride ion and sodium metal reduce water.

Sulfur does not react directly with

All of the following form clathrates with water except

Which of the following reactions does not occur?

The anhydride of phosphoric acid is produced by the reaction

Lithium and magnesium have similar properties and their compounds have covalent character.

The gaseous halides can all be synthesized by oxidation of their ions.

When metallic hydrides are heated,they

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

Beryllium and aluminum have similar properties because

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

Xenon can exhibit all the following oxidation numbers in its compounds.

In ClF3,the number of regions of high electron concentration around the chlorine atom are

Of the following,which compound(s)exist?

Which of the following is an interstitial carbide?

Consider the following possible reactions: Which of the reactions that occur are Lewis acidbase reactions?

Which of the following is not a redox reaction?

Consider the reaction Fe(ClO4)3(aq)+ 6H2O(l) →\rightarrow→ Fe(H2O)63+ + 3ClO4-(aq) Which of the following statements are true?

Al2O3(s)dissolves in aqueous acid to produce

The oxides of In and Tl

Aqueous solutions of phosphine,PH3,

Both the hydride ion and sodium metal reduce water.

Sulfur does not react directly with

All of the following form clathrates with water except

Which of the following reactions does not occur?

The anhydride of phosphoric acid is produced by the reaction

Lithium and magnesium have similar properties and their compounds have covalent character.

The gaseous halides can all be synthesized by oxidation of their ions.

When metallic hydrides are heated,they

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

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

In ClF₃,the number of regions of high electron concentration around the chlorine atom are

Consider the reaction Fe(ClO₄)₃(aq)+ 6H₂O(l) $\rightarrow$ Fe(H₂O)₆³⁺ + 3ClO₄^-(aq) Which of the following statements are true?

Al₂O₃(s)dissolves in aqueous acid to produce

Aqueous solutions of phosphine,PH₃,