Question 1

Which of the following is(are)isomer(s)of organic compound with formula C5H12O?

Accepted Answer

A) 4 
B) 1 and 2 
C) 1 and 3 
D) 6 
E) 5 and 4 
A) 4 
B) 1 and 2 
C) 1 and 3 
D) 6 
E) 5 and 4

Question 2

The magnesium in a sample of mineral water weighing 110.520 g is first converted to MgNH4PO4 and then to Mg2P2O7.The mass of Mg2P2O7 obtained is 0.0216 g.Express the quantity of magnesium in the mineral water in parts per million (that is in g Mg per 106 g H2O).

Accepted Answer

A) 1.95 × 103 ppm 
B) 8.95 ppm 
C) 234 ppm 
D) 42.7 ppm 
E) 21.4 ppm 
A) 1.95 × 103 ppm 
B) 8.95 ppm 
C) 234 ppm 
D) 42.7 ppm 
E) 21.4 ppm

Question 3

What type of bonding is found in the compound OF2?

Accepted Answer

A) covalent bonding 
B) hydrogen bonding 
C) ionic bonding 
D) metallic bonding 
A) covalent bonding 
B) hydrogen bonding 
C) ionic bonding 
D) metallic bonding

Question 4

In which compound does iodine have an oxidation state of +3?

Accepted Answer

A) HIO3  
B) IF5  
C) Ca(IO2)2  
D) HI 
E) I2  
A) HIO3  
B) IF5  
C) Ca(IO2)2  
D) HI 
E) I2

Question 5

What is the molar mass of 1-butene if 5.38 × 1016 molecules of 1-butene weigh 5.00 μg?

Accepted Answer

A) 56.0 g mol-1 
B) 178 g mol-1 
C) 224 g mol-1 
D) 447 g mol-1 
A) 56.0 g mol-1 
B) 178 g mol-1 
C) 224 g mol-1 
D) 447 g mol-1

Question 6

Which of the following contains the greatest number of atoms?

Accepted Answer

A) 1 mole of S8 molecules 
B) 2 moles of P4 molecules 
C) 4 moles of chlorine molecules 
D) 8 moles of H atoms 
E) 3 moles of ozone,O3 
A) 1 mole of S8 molecules 
B) 2 moles of P4 molecules 
C) 4 moles of chlorine molecules 
D) 8 moles of H atoms 
E) 3 moles of ozone,O3

Question 7

The number of atoms in 10.0 g of CaCO3 (100.0 g/mol)is:

Accepted Answer

A) 18.1 × 1022 atoms 
B) 30.1 × 1022 atoms 
C) 6.02 × 1022 atoms 
D) 12.1 × 1023 atoms 
E) 12.1 × 1022 atoms 
A) 18.1 × 1022 atoms 
B) 30.1 × 1022 atoms 
C) 6.02 × 1022 atoms 
D) 12.1 × 1023 atoms 
E) 12.1 × 1022 atoms

Question 8

The analysis of 0.246 g of organic compound gives 0.656 g CO2,0.134 g H2O,and 1.86 ×10-3 mol N2 gas.What would be the empirical formula of this organic compound?

Accepted Answer

A) C3H3N 
B) C4H4N 
C) C2H2N2 
D) C2H2N 
E) C3H3N2 
A) C3H3N 
B) C4H4N 
C) C2H2N2 
D) C2H2N 
E) C3H3N2

Question 9

Determine the mass percent H in NH4Cl.

Accepted Answer

A) 1.9% 
B) 14% 
C) 7.5% 
D) 3.6% 
E) 67% 
A) 1.9% 
B) 14% 
C) 7.5% 
D) 3.6% 
E) 67%

Question 10

Choose the INCORRECT name formula combination.

Accepted Answer

A) HNO2 nitrous acid 
B) Fe2(SO4)3 iron(III)sulfite 
C) LiCN lithium cyanide 
D) Na2CO3 sodium carbonate 
E) Ba(OH)2 barium hydroxide 
A) HNO2 nitrous acid 
B) Fe2(SO4)3 iron(III)sulfite 
C) LiCN lithium cyanide 
D) Na2CO3 sodium carbonate 
E) Ba(OH)2 barium hydroxide

Question 11

What is the correct name for the following organic structure?
CH2=CHCH2CH(CH3)CH3

Accepted Answer

A) hexene 
B) hexane 
C) 1-hexene 
D) 4-methyl-2-pentene 
E) 4-methyl-1-pentene 
A) hexene 
B) hexane 
C) 1-hexene 
D) 4-methyl-2-pentene 
E) 4-methyl-1-pentene

Question 12

The correct chemical name for the compound HIO is ________.

Accepted Answer

A) periodic acid 
B) hydrogen iodide oxide 
C) hydrogen iodite 
D) hypoiodous acid 
E) hypoiodic acid 
A) periodic acid 
B) hydrogen iodide oxide 
C) hydrogen iodite 
D) hypoiodous acid 
E) hypoiodic acid

Which of the following is(are)isomer(s)of organic compound with formula C₅H₁₂O?

The magnesium in a sample of mineral water weighing 110.520 g is first converted to MgNH₄PO₄ and then to Mg₂P₂O₇.The mass of Mg₂P₂O₇ obtained is 0.0216 g.Express the quantity of magnesium in the mineral water in parts per million (that is in g Mg per 10⁶ g H₂O).

What type of bonding is found in the compound OF₂?

In which compound does iodine have an oxidation state of +3?

What is the molar mass of 1-butene if 5.38 × 10¹⁶ molecules of 1-butene weigh 5.00 μg?

Which of the following contains the greatest number of atoms?

The number of atoms in 10.0 g of CaCO₃ (100.0 g/mol)is:

The analysis of 0.246 g of organic compound gives 0.656 g CO₂,0.134 g H₂O,and 1.86 ×10^-3 mol N₂ gas.What would be the empirical formula of this organic compound?

Determine the mass percent H in NH₄Cl.

Choose the INCORRECT name formula combination.

What is the correct name for the following organic structure? CH₂=CHCH₂CH(CH₃)CH₃

The correct chemical name for the compound HIO is ________.

Matter: Its Properties and Measurement

Atoms and the Atomic Theory

Chemical Reactions

Introduction to Reactions in Aqueous Solutions

Gases

Thermochemistry

Electrons in Atoms

The Periodic Table and Some Atomic Properties

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Valence Bond and Molecular Orbital Theories

Intermolecular Forces: Liquids and Solids

Spontaneous Change: Entropy and Gibbs Energy

Solutions and Their Physical Properties

Principles of Chemical Equilibrium

Acids and Bases

Additional Aspects of Acidbase Equilibria

Solubility and Complex-Ion Equilibria

Electrochemistry

Chemical Kinetics

Chemistry of the Main-Group Elements I: Groups 1,2,13,and 14

Chemistry of the Main-Group Elements Ii: Groups 18,17,16,15,and Hydrogen

The Transition Elements

Complex Ions and Coordination Compounds

Nuclear Chemistry

Structures of Organic Compounds

Reactions of Organic Compounds

Chemistry of the Living State

Filters

Exam 3: Chemical Compounds

Which of the following is(are)isomer(s)of organic compound with formula C5H12O?

The magnesium in a sample of mineral water weighing 110.520 g is first converted to MgNH4PO4 and then to Mg2P2O7.The mass of Mg2P2O7 obtained is 0.0216 g.Express the quantity of magnesium in the mineral water in parts per million (that is in g Mg per 106 g H2O).

What type of bonding is found in the compound OF2?

In which compound does iodine have an oxidation state of +3?

What is the molar mass of 1-butene if 5.38 × 1016 molecules of 1-butene weigh 5.00 μg?

Which of the following contains the greatest number of atoms?

The number of atoms in 10.0 g of CaCO3 (100.0 g/mol)is:

The analysis of 0.246 g of organic compound gives 0.656 g CO2,0.134 g H2O,and 1.86 ×10-3 mol N2 gas.What would be the empirical formula of this organic compound?

Determine the mass percent H in NH4Cl.

Choose the INCORRECT name formula combination.

What is the correct name for the following organic structure? CH2=CHCH2CH(CH3)CH3

The correct chemical name for the compound HIO is ________.

Matter: Its Properties and Measurement

Atoms and the Atomic Theory

Chemical Reactions

Introduction to Reactions in Aqueous Solutions

Gases

Thermochemistry

Electrons in Atoms

The Periodic Table and Some Atomic Properties

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Valence Bond and Molecular Orbital Theories

Intermolecular Forces: Liquids and Solids

Spontaneous Change: Entropy and Gibbs Energy

Solutions and Their Physical Properties

Principles of Chemical Equilibrium

Acids and Bases

Additional Aspects of Acidbase Equilibria

Solubility and Complex-Ion Equilibria

Electrochemistry

Chemical Kinetics

Chemistry of the Main-Group Elements I: Groups 1,2,13,and 14

Chemistry of the Main-Group Elements Ii: Groups 18,17,16,15,and Hydrogen

The Transition Elements

Complex Ions and Coordination Compounds

Nuclear Chemistry

Structures of Organic Compounds

Reactions of Organic Compounds

Chemistry of the Living State

Filters

Which of the following is(are)isomer(s)of organic compound with formula C₅H₁₂O?

The magnesium in a sample of mineral water weighing 110.520 g is first converted to MgNH₄PO₄ and then to Mg₂P₂O₇.The mass of Mg₂P₂O₇ obtained is 0.0216 g.Express the quantity of magnesium in the mineral water in parts per million (that is in g Mg per 10⁶ g H₂O).

What type of bonding is found in the compound OF₂?

What is the molar mass of 1-butene if 5.38 × 10¹⁶ molecules of 1-butene weigh 5.00 μg?

The number of atoms in 10.0 g of CaCO₃ (100.0 g/mol)is:

The analysis of 0.246 g of organic compound gives 0.656 g CO₂,0.134 g H₂O,and 1.86 ×10^-3 mol N₂ gas.What would be the empirical formula of this organic compound?

Determine the mass percent H in NH₄Cl.

What is the correct name for the following organic structure? CH₂=CHCH₂CH(CH₃)CH₃