Question 1

The formula for the bicarbonate ion is:

Accepted Answer

A)  C2O32- 
B)  CO32- 
C)  HCO32- 
D)  HCO3 - 
E)  C2O42-

Question 2

Which set of ions is formed when (NH4) 2SO4 dissolves in water?

Accepted Answer

A)  (NH4) 22+ + SO42- 
B)  2NH3 + 2H+ +SO42- 
C)  2NH4 + + SO42- 
D)  2N3- + 8H+ + S+6 + 4O2- 
E)  2N3- + 8H+ + SO42-

Question 3

The formula for the chlorite ion is:

Accepted Answer

A)  ClO- 
B)  ClO2- 
C)  ClO3- 
D)  ClO4- 
E)  ClO22-

Question 4

Rank the boiling points of the following compounds from lowest to highest: C12H22O11 (sucrose) , O2, NaF

Accepted Answer

A)  C12H22O11 (sucrose)  2 
B)  O2 12H22O11 (sucrose) 
C)  O2 12H22O11 (sucrose)  
D)  NaF 2 12H22O11 (sucrose) 
E)  NaF 12H22O11 (sucrose)  2

Question 5

Which of the following compounds would you expect to exist as ions when dissolved in water? KNO3, HBr, CH3OH

Accepted Answer

A)  KNO3 only
B)  HBr only
C)  CH3OH only
D)  KNO3 and HBr
E)  HCl and CH3OH

Question 6

The name of the oxoanion of nitrogen with a 1- charge shown in the figure is:

Accepted Answer

A)  nitrooxate ion.
B)  nitride ion.
C)  nitrite ion.
D)  nitrate ion.
E)  nitrous ion.

Question 7

Which combination of formula and name is incorrect?

Accepted Answer

A)  Na+ = sodium ion
B)  Ca2+ = calcium ion
C)  N2- = nitride ion
D)  F- = fluoride ion
E)  O2-= oxide ion

Question 8

Which of the following combinations of formula and name is incorrect?

Accepted Answer

A)  carbonate ion = CO32- 
B)  ammonium ion = NH3 
C)  bicarbonate ion = HCO3- 
D)  periodate ion = IO4- 
E)  hypochlorite ion = ClO-

Question 9

Which of the following compound names is not correct?

Accepted Answer

A)  iron(III)  sulfate
B)  copper(II)  diphosphide
C)  sodium hydroxide
D)  potassium nitrate
E)  calcium sulfide

Question 10

What is the correct formula for the compound formed between the calcium ion and the sulfate ion?

Accepted Answer

A)  CaSO4 
B)  Ca2(SO4) 2 
C)  Ca(SO4) 2 
D)  CaS
E)  CaSO3

Question 11

Which of the following is classified as an ionic compound?

Accepted Answer

A)  NO2 
B)  CF4 
C)  CH3OH
D)  CaCO3 
E)  all of these

Question 12

The name of the oxoanion of nitrogen with a 1-charge shown in the figure is:

Accepted Answer

A)  nitrooxate ion.
B)  nitride ion.
C)  nitrite ion.
D)  nitrate ion.
E)  nitrous ion.

Question 13

Which of the following formulas for a compound containing the Fe2+ ion is incorrect?

Accepted Answer

A)  FeO
B)  FeCl
C)  FeS
D)  FeSO4 
E)  Fe(NO3) 2

Question 14

Which of the substance(s)  shown in the figure is molecular? 3N B) KNO3  C) NO2  D) Both Na3N and KNO3  E) Both KNO3 and NO2 " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  Na3N
B)  KNO3 
C)  NO2 
D)  Both Na3N and KNO3 
E)  Both KNO3 and NO2

Question 15

Which of the following combinations of elements in a compound would be ionic?

Accepted Answer

A)  barium and fluorine
B)  hydrogen and sulfur
C)  sulfur and oxygen
D)  hydrogen and fluorine
E)  all of these

Question 16

The correct formula for dinitrogen pentoxide is:

Accepted Answer

A)  NO5 
B)  N2O4 
C)  N2O5 
D)  NO6 
E)  N2O6

Question 17

Which of the following combinations of formula and name is incorrect?

Accepted Answer

A)  nitride ion = NO2- 
B)  cyanide ion = CN- 
C)  chlorite ion = ClO2- 
D)  perchlorate ion = ClO4- 
E)  chloride ion = Cl-

Question 18

The formula for the iodate ion is IO3-.What is the formula for the hypoiodite ion?

Accepted Answer

A)  IO4- 
B)  IO2- 
C)  IO- 
D)  IO32- 
E)  I-

Question 19

SO3 and SO32-have the same number of each type of atom, so they have the same name and the same chemical properties.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following best describes HCl when dissolved in water?

Accepted Answer

A)  strong electrolyte
B)  weak electrolyte
C)  nonelectrolyte
D)  exists as atoms and molecules
E)  exists as molecules only

Exam 3: Chemical Compounds

The formula for the bicarbonate ion is:

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Which of the following combinations of elements in a compound would be ionic?

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Rank the boiling points of the following compounds from lowest to highest: C12H22O11 (sucrose) , O2, NaF

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Which of the following compounds would you expect to exist as ions when dissolved in water? KNO3, HBr, CH3OH

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The correct formula for dinitrogen pentoxide is:

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Which combination of formula and name is incorrect?

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Which of the substance(s) shown in the figure is molecular?

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Which of the following combinations of formula and name is incorrect?

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SO3 and SO32-have the same number of each type of atom, so they have the same name and the same chemical properties.

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Which of the following compound names is not correct?

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What is the correct formula for the compound formed between the calcium ion and the sulfate ion?

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Which of the following combinations of formula and name is incorrect?

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Which set of ions is formed when (NH4) 2SO4 dissolves in water?

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The name of the oxoanion of nitrogen with a 1-charge shown in the figure is:

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Which of the following best describes HCl when dissolved in water?

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The formula for the iodate ion is IO3-.What is the formula for the hypoiodite ion?

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Which of the following formulas for a compound containing the Fe2+ ion is incorrect?

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The formula for the chlorite ion is:

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The name of the oxoanion of nitrogen with a 1- charge shown in the figure is:

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Which of the following is classified as an ionic compound?

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Rank the boiling points of the following compounds from lowest to highest: C₁₂H₂₂O₁₁ (sucrose) , O₂, NaF

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Which of the following compounds would you expect to exist as ions when dissolved in water? KNO₃, HBr, CH₃OH

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SO₃ and SO₃²^-have the same number of each type of atom, so they have the same name and the same chemical properties.

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Which set of ions is formed when (NH₄) ₂SO₄ dissolves in water?

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The formula for the iodate ion is IO₃^-.What is the formula for the hypoiodite ion?

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Which of the following formulas for a compound containing the Fe²⁺ion is incorrect?

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