Question 1

Which of the following has the largest atomic radius?

Accepted Answer

A)  In 
B)  Ga 
C)  Ge 
D)  Al 
A)  In 
B)  Ga 
C)  Ge 
D)  Al

Question 2

(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 oxidized

Question 3

The mineral spondumene contains long, straight chain silicates involving the SiO32- unit.What is the shape of SiO32-?

Accepted Answer

A)  T-shaped 
B)  Ttetrahedral 
C)  Trigonal planar 
D)  Trigonal pyramidal 
E)  See-saw 
A)  T-shaped 
B)  Ttetrahedral 
C)  Trigonal planar 
D)  Trigonal pyramidal 
E)  See-saw

Question 4

The products of the reaction of Al4C3(s) with water are

Accepted Answer

A)  Al2O3(s) and CH4(g). 
B)  Al(OH)3(s) and C2H2(g). 
C)  Al(OH)3(s) and C2H4(g). 
D)  Al2O3(s) and C2H2(g). 
E)  Al(OH)3(s) and CH4(g). 
A)  Al2O3(s) and CH4(g). 
B)  Al(OH)3(s) and C2H2(g). 
C)  Al(OH)3(s) and C2H4(g). 
D)  Al2O3(s) and C2H2(g). 
E)  Al(OH)3(s) and CH4(g).

Question 5

The alkali metals all react with water .Which is the most reactive metal?

Accepted Answer

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

Question 6

Of the following compounds, which does not exist?

Accepted Answer

A)  NCl5 
B)  PCl3 
C)  PCl5 
D)  NCl3 
A)  NCl5 
B)  PCl3 
C)  PCl5 
D)  NCl3

Question 7

The products of the disproportionation of chlorine in water are

Accepted Answer

A)  HClO and O2 
B)  HClO and HCl 
C)  ClO2 and H2 
D)  OH- and HCl 
A)  HClO and O2 
B)  HClO and HCl 
C)  ClO2 and H2 
D)  OH- and HCl

Question 8

The phase diagram for helium

Accepted Answer

A)  indicates that helium exists as He(g) and He(l) at about 2 K. 
B)  indicates that helium exists only as a gas. 
C)  has two triple points. 
D)  indicates that helium can be liquefied at ordinary pressures. 
E)  indicates that helium has three phases. 
A)  indicates that helium exists as He(g) and He(l) at about 2 K. 
B)  indicates that helium exists only as a gas. 
C)  has two triple points. 
D)  indicates that helium can be liquefied at ordinary pressures. 
E)  indicates that helium has three phases.

Question 9

Which of the following concentrated acids can be safely transported in passivated lead containers?

Accepted Answer

A)  HClO4  
B)  H2SO4  
C)  HI 
D)  HCl 
E)  HNO3  
A)  HClO4  
B)  H2SO4  
C)  HI 
D)  HCl 
E)  HNO3

Question 10

Phosphine does not act as a Brønsted base but does act as a Lewis base.

Accepted Answer

A) True 
 B)False

Question 11

Diborane has

Accepted Answer

A)  2 bridging hydrogens and 4 terminal hydrogens. 
B)  1 BF3- anion and 1 BF3+ cation. 
C)  4 bridging hydrogens and 2 terminal hydrogens. 
D)  6 terminal hydrogens and 1 boron-boron bond. 
E)  1 bridging hydrogen, 4 terminal hydrogens, and an ionic hydrogen. 
A)  2 bridging hydrogens and 4 terminal hydrogens. 
B)  1 BF3- anion and 1 BF3+ cation. 
C)  4 bridging hydrogens and 2 terminal hydrogens. 
D)  6 terminal hydrogens and 1 boron-boron bond. 
E)  1 bridging hydrogen, 4 terminal hydrogens, and an ionic hydrogen.

Question 12

Lead is obtained from the oxide PbO by

Accepted Answer

A)  reduction with aluminum. 
B)  treatment with concentrated sulfuric acid. 
C)  reduction with carbon. 
D)  reduction with CO(g). 
E)  heating to 1600S1U1P1$\circ$S1S1P0C. 
A)  reduction with aluminum. 
B)  treatment with concentrated sulfuric acid. 
C)  reduction with carbon. 
D)  reduction with CO(g). 
E)  heating to 1600S1U1P1$\circ$S1S1P0C.

Question 13

Hydrazine is produced by the reaction of

Accepted Answer

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

Question 14

Draw the structures of the phosphate,phosphite,and hypophosphite ions.

Accepted Answer

PO<sub>4</sub><sup>3</sup><sup

Question 15

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 16

Consider the following possible reactions:
1.B(OH)3(aq)+ H2O(l)$\rightarrow$
2.SiH4(g)+ H2O(l)(trace OHS1U1P1-S1S1P0(aq))$\rightarrow$
3.CCl4(l)+ H2O(l)$\rightarrow$
4.SiCl4(l)+ H2O(l)$\rightarrow$
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 17

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 18

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

Accepted Answer

A) True 
 B)False

Question 19

Dinitrogen pentoxide is the anhydride of

Accepted Answer

A)  nitrous acid. 
B)  nitric acid. 
C)  dinitrogen tetroxide. 
D)  hydrazine. 
E)  hydrazoic acid. 
A)  nitrous acid. 
B)  nitric acid. 
C)  dinitrogen tetroxide. 
D)  hydrazine. 
E)  hydrazoic acid.

Question 20

The contact process for the production of sulfuric acid is
S(g)+ O2(g)$\rightarrow$SO2(g)
2SO2(g)+ O2(g)$\rightarrow$ 2SO3(g)
SO3(g)+ H2SO4(l)$\rightarrow$H2S2O7(l)
H2S2O7(l)+ H2O(l)$\rightarrow$ 2H2SO4(l)
How many moles of "new" sulfuric acid are produced from 150 mol S(g)?

Accepted Answer

A)  300 mol 
B)  450 mol 
C)  225 mol 
D)  150 mol 
E)  75 mol 
A)  300 mol 
B)  450 mol 
C)  225 mol 
D)  150 mol 
E)  75 mol

Which of the following has the largest atomic radius?

The mineral spondumene contains long, straight chain silicates involving the SiO₃²^- unit.What is the shape of SiO₃²^-?

The products of the reaction of Al₄C₃(s) with water are

The alkali metals all react with water .Which is the most reactive metal?

Of the following compounds, which does not exist?

The products of the disproportionation of chlorine in water are

The phase diagram for helium

Which of the following concentrated acids can be safely transported in passivated lead containers?

Phosphine does not act as a Brønsted base but does act as a Lewis base.

Diborane has

Lead is obtained from the oxide PbO by

Hydrazine is produced by the reaction of

Draw the structures of the phosphate,phosphite,and hypophosphite ions.

What reaction produces diborane?

Consider the following possible reactions: 1.B(OH)₃(aq)+ H₂O(l) $\rightarrow$ 2.SiH₄(g)+ H₂O(l)(trace OH^-(aq)) $\rightarrow$ 3.CCl₄(l)+ H₂O(l) $\rightarrow$ 4.SiCl₄(l)+ H₂O(l) $\rightarrow$ Which of the reactions that occur are Lewis acid-base reactions?"

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

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

Dinitrogen pentoxide is the anhydride of

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 8: The Main-Group Elements

Which of the following has the largest atomic radius?

The mineral spondumene contains long, straight chain silicates involving the SiO32- unit.What is the shape of SiO32-?

The products of the reaction of Al4C3(s) with water are

The alkali metals all react with water .Which is the most reactive metal?

Of the following compounds, which does not exist?

The products of the disproportionation of chlorine in water are

The phase diagram for helium

Which of the following concentrated acids can be safely transported in passivated lead containers?

Phosphine does not act as a Brønsted base but does act as a Lewis base.

Diborane has

Lead is obtained from the oxide PbO by

Hydrazine is produced by the reaction of

Draw the structures of the phosphate,phosphite,and hypophosphite ions.

What reaction produces diborane?

Consider the following possible reactions: 1.B(OH)3(aq)+ H2O(l) →\rightarrow→ 2.SiH4(g)+ H2O(l)(trace OH-(aq)) →\rightarrow→ 3.CCl4(l)+ H2O(l) →\rightarrow→ 4.SiCl4(l)+ H2O(l) →\rightarrow→ Which of the reactions that occur are Lewis acid-base reactions?"

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

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

Dinitrogen pentoxide is the anhydride of

The contact process for the production of sulfuric acid is S(g)+ O2(g) →\rightarrow→ SO2(g) 2SO2(g)+ O2(g) →\rightarrow→ 2SO3(g) SO3(g)+ H2SO4(l) →\rightarrow→ H2S2O7(l) H2S2O7(l)+ H2O(l) →\rightarrow→ 2H2SO4(l) How many moles of "new" sulfuric acid are produced from 150 mol S(g)?

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

The mineral spondumene contains long, straight chain silicates involving the SiO₃²^- unit.What is the shape of SiO₃²^-?

The products of the reaction of Al₄C₃(s) with water are

Consider the following possible reactions: 1.B(OH)₃(aq)+ H₂O(l) $\rightarrow$ 2.SiH₄(g)+ H₂O(l)(trace OH^-(aq)) $\rightarrow$ 3.CCl₄(l)+ H₂O(l) $\rightarrow$ 4.SiCl₄(l)+ H₂O(l) $\rightarrow$ Which of the reactions that occur are Lewis acid-base reactions?"