Question 1

Which formula-name combination is incorrect?

Accepted Answer

A) H3PO4,orthophosphoric acid 
B) H5P3O10,pentaphosphoric acid 
C) H3P3O9,trimetaphosphoric acid 
D) P4O10,tetraphosphorus decoxide 
E) H4P2O7,diphosphoric acid 
A) H3PO4,orthophosphoric acid 
B) H5P3O10,pentaphosphoric acid 
C) H3P3O9,trimetaphosphoric acid 
D) P4O10,tetraphosphorus decoxide 
E) H4P2O7,diphosphoric acid

Question 2

Which of the following is not a property of the alkali metals?

Accepted Answer

A) They form +1 cations in ionic compounds. 
B) Their hydroxides tend to be amphoteric. 
C) They do not occur as free metals in nature. 
D) They are the most reactive of all metals. 
E) They are soft and silvery. 
A) They form +1 cations in ionic compounds. 
B) Their hydroxides tend to be amphoteric. 
C) They do not occur as free metals in nature. 
D) They are the most reactive of all metals. 
E) They are soft and silvery.

Question 3

The commercial preparation of nitric acid involves a number of reactions.Which of the reaction sequences below summarizes part of this process?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 4

Cryolite,Na3AlF6,is used in the production of

Accepted Answer

A) HF. 
B) NaF. 
C) Na. 
D) Al. 
E) F2. 
A) HF. 
B) NaF. 
C) Na. 
D) Al. 
E) F2.

Question 5

Catenation is

Accepted Answer

A) the ability of a compound to form more than one type of unit-cell structure. 
B) the transformation of minerals to gems. 
C) the formation of more than one type of cation,such as Fe2+ and Fe3+. 
D) the covalent bonding of two or more atoms of the same element to one another. 
E) the ability of an element to form more than one oxide. 
A) the ability of a compound to form more than one type of unit-cell structure. 
B) the transformation of minerals to gems. 
C) the formation of more than one type of cation,such as Fe2+ and Fe3+. 
D) the covalent bonding of two or more atoms of the same element to one another. 
E) the ability of an element to form more than one oxide.

Question 6

At which step in the production of a metal would a blast furnace be used?

Accepted Answer

A) preliminary treatment 
B) refining 
C) reduction 
D) smithing 
E) extruding 
A) preliminary treatment 
B) refining 
C) reduction 
D) smithing 
E) extruding

Question 7

A superoxide ion can be distinguished from the peroxide ion and the oxide ion because

Accepted Answer

A) the superoxide ion is stable. 
B) the superoxide ion is paramagnetic. 
C) the superoxide ion is diamagnetic. 
D) the superoxide ion is an acid. 
E) the superoxide ion is a base. 
A) the superoxide ion is stable. 
B) the superoxide ion is paramagnetic. 
C) the superoxide ion is diamagnetic. 
D) the superoxide ion is an acid. 
E) the superoxide ion is a base.

Question 8

Which of the following statements about ammonia is incorrect?

Accepted Answer

A) Ammonia can be generated on a small scale from the reaction of an ionic nitride with water or by heating a solution of an ammonium salt with a strong base. 
B) Ammonia is the conjugate acid of the strongly basic nitride ion (N3−). 
C) Large quantities of ammonia are converted to urea (CO(NH2)2),which is used as a fertilizer,livestock feed supplement,and in the manufacture of some plastics. 
D) Large amounts of nitric oxide (NO)are produced by the catalytic oxidation of ammonia. 
E) Ammonia is produced commercially by the Haber process. 
A) Ammonia can be generated on a small scale from the reaction of an ionic nitride with water or by heating a solution of an ammonium salt with a strong base. 
B) Ammonia is the conjugate acid of the strongly basic nitride ion (N3−). 
C) Large quantities of ammonia are converted to urea (CO(NH2)2),which is used as a fertilizer,livestock feed supplement,and in the manufacture of some plastics. 
D) Large amounts of nitric oxide (NO)are produced by the catalytic oxidation of ammonia. 
E) Ammonia is produced commercially by the Haber process.

Question 9

Bauxite is the principal ore of which element(s)?

Accepted Answer

A) B 
B) Tl 
C) Al 
D) Ga 
E) all of these 
A) B 
B) Tl 
C) Al 
D) Ga 
E) all of these

Question 10

Which of Figures I-V best represents the band theory description of metallic magnesium?

Accepted Answer

A) Figure I 
B) Figure II 
C) Figure V 
D) Figure IV 
E) Figure III 
A) Figure I 
B) Figure II 
C) Figure V 
D) Figure IV 
E) Figure III

Question 11

Which of the following noble gases has,thus far,eluded formation of a compound?

Accepted Answer

A) xenon 
B) radon 
C) krypton 
D) neon 
E) argon 
A) xenon 
B) radon 
C) krypton 
D) neon 
E) argon

Question 12

Which of the following equations represents the roasting of lead(II)sulfide ore?

Accepted Answer

A) PbS(s)+ 4H2O(l)→ Pb(OH)3-(aq)+ H2S(aq)+ H3O+(aq) 
B) PbS(s)+ H2(g)→ Pb(s)+ H2S(g) 
C) 2PbS(s)+ C(s)→ 2Pb(s)+ CS2(l) 
D) PbS(s)+ 2H2O(l)→ Pb(OH)2(s)+ H2S(aq) 
E) 2PbS(s)+ 3O2(g)→ 2PbO(s)+ 2SO2(g) 
A) PbS(s)+ 4H2O(l)→ Pb(OH)3-(aq)+ H2S(aq)+ H3O+(aq) 
B) PbS(s)+ H2(g)→ Pb(s)+ H2S(g) 
C) 2PbS(s)+ C(s)→ 2Pb(s)+ CS2(l) 
D) PbS(s)+ 2H2O(l)→ Pb(OH)2(s)+ H2S(aq) 
E) 2PbS(s)+ 3O2(g)→ 2PbO(s)+ 2SO2(g)

Question 13

Which element is found in the ore galena?

Accepted Answer

A) aluminum 
B) lead 
C) silicon 
D) germanium 
E) tin 
A) aluminum 
B) lead 
C) silicon 
D) germanium 
E) tin

Question 14

Within a group,as the atomic numbers of the elements increase,the

Accepted Answer

A) ionization energies decrease. 
B) atomic weights decrease. 
C) elements become less metallic. 
D) atomic radii decrease. 
E) electronegativities increase. 
A) ionization energies decrease. 
B) atomic weights decrease. 
C) elements become less metallic. 
D) atomic radii decrease. 
E) electronegativities increase.

Question 15

Which of the following metals is expected to have the fastest reaction with water?

Accepted Answer

A) Li 
B) K 
C) Cs 
D) Na 
E) Rb 
A) Li 
B) K 
C) Cs 
D) Na 
E) Rb

Question 16

Which of the following statements concerning potassium and its compounds is false?

Accepted Answer

A) Potash consists mostly of potassium carbonate. 
B) Potassium is so soft that it can be cut with a butter knife. 
C) Potassium reacts with oxygen to produce potassium superoxide. 
D) Potassium superoxide is used in self-contained breathing apparatuses. 
E) Potassium metal is prepared by electrolysis of potassium chloride. 
A) Potash consists mostly of potassium carbonate. 
B) Potassium is so soft that it can be cut with a butter knife. 
C) Potassium reacts with oxygen to produce potassium superoxide. 
D) Potassium superoxide is used in self-contained breathing apparatuses. 
E) Potassium metal is prepared by electrolysis of potassium chloride.

Question 17

What is the general formula for an alkali metal hydride? (M = metal)

Accepted Answer

A) MH 
B) M(OH)2 
C) MH2 
D) MH3 
E) MOH 
A) MH 
B) M(OH)2 
C) MH2 
D) MH3 
E) MOH

Question 18

Which of the following processes is used commercially in the production of aluminum?

Accepted Answer

A) Goldschmidt process 
B) Hall-Héroult process 
C) Dow process 
D) Frasch process 
E) Ostwald process 
A) Goldschmidt process 
B) Hall-Héroult process 
C) Dow process 
D) Frasch process 
E) Ostwald process

Question 19

All of the following elements have the oxidation states listed except

Accepted Answer

A) Sn2+. 
B) Sn+. 
C) Pb2+. 
D) Tl+. 
E) Tl3+. 
A) Sn2+. 
B) Sn+. 
C) Pb2+. 
D) Tl+. 
E) Tl3+.

Question 20

Metals usually act as

Accepted Answer

A) oxidizing agents. 
B) reducing agents. 
C) conjugate bases. 
D) conjugate acids. 
E) ion exchange agents. 
A) oxidizing agents. 
B) reducing agents. 
C) conjugate bases. 
D) conjugate acids. 
E) ion exchange agents.

Exam 21: Chemistry of the Main-Group Metals

Which formula-name combination is incorrect?

Which of the following is not a property of the alkali metals?

The commercial preparation of nitric acid involves a number of reactions.Which of the reaction sequences below summarizes part of this process?

Cryolite,Na3AlF6,is used in the production of

Catenation is

At which step in the production of a metal would a blast furnace be used?

A superoxide ion can be distinguished from the peroxide ion and the oxide ion because

Which of the following statements about ammonia is incorrect?

Bauxite is the principal ore of which element(s)?

Which of Figures I-V best represents the band theory description of metallic magnesium?

Which of the following noble gases has,thus far,eluded formation of a compound?

Which of the following equations represents the roasting of lead(II)sulfide ore?

Which element is found in the ore galena?

Within a group,as the atomic numbers of the elements increase,the

Which of the following metals is expected to have the fastest reaction with water?

Which of the following statements concerning potassium and its compounds is false?

What is the general formula for an alkali metal hydride? (M = metal)

Which of the following processes is used commercially in the production of aluminum?

All of the following elements have the oxidation states listed except

Metals usually act as

Chemistry and Measurement

Atoms, molecules, and Ions

Calculations With Chemical Formulas and Equations

Chemical Reactions

The Gaseous State

Thermochemistry

Quantum Theory of the Atom

Electron Configurations and Periodicity

Ionic and Covalent Bonding

Molecular Geometry and Chemical Bonding Theory

States of Matter; Liquids and Solids

Solutions

Rates of Reaction

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Thermodynamics and Equilibrium

Electrochemistry

Nuclear Chemistry

The Transition Elements and Coordination Compounds

Organic Chemistry

Polymer Materials: Synthetic and Biological

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