Question 1

Which of the following is the correct line formula for methylbutane?

Accepted Answer

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

Question 2

What is the name of the compound whose condensed formula is CH3(CH2)5CH3?

Accepted Answer

A) propane 
B) pentane 
C) hexane 
D) heptane 
E) 1,5-dimethylpentane 
A) propane 
B) pentane 
C) hexane 
D) heptane 
E) 1,5-dimethylpentane

Question 3

What additional condition or reagent is necessary for methane to react with chlorine according to the reaction equation shown below? CH4 + Cl2 → CH3Cl + HCl

Accepted Answer

A) enzyme 
B) water 
C) light or high temperature 
D) acid or base 
E) complete darkness 
A) enzyme 
B) water 
C) light or high temperature 
D) acid or base 
E) complete darkness

Question 4

Carbon monoxide may be produced in the partial (incomplete)combustion of methane.

Accepted Answer

A) True 
 B)False

Question 5

Which statement concerning the two compounds shown below is FALSE?

Accepted Answer

A) Compound A and compound B are both organic compounds. 
B) Compound A and compound B are both hydrocarbons. 
C) Compound B has stronger intermolecular forces than compound A. 
D) Compound A is likely a gas at room temperature and compound B is likely a liquid at room temperature. 
E) Compound B has a higher boiling point than compound A. 
A) Compound A and compound B are both organic compounds. 
B) Compound A and compound B are both hydrocarbons. 
C) Compound B has stronger intermolecular forces than compound A. 
D) Compound A is likely a gas at room temperature and compound B is likely a liquid at room temperature. 
E) Compound B has a higher boiling point than compound A.

Question 6

The name of an organic compound is 2-methyl-4-propyloctane.What information about the structure of this compound is FALSE?

Accepted Answer

A) It is a branched alkane. 
B) There are eight carbons in the parent chain. 
C) There is a one-carbon alkyl group on carbon 2 of the parent chain. 
D) There is a three-carbon alkyl group on carbon 4 of the parent chain. 
E) None of the above statements is false. 
A) It is a branched alkane. 
B) There are eight carbons in the parent chain. 
C) There is a one-carbon alkyl group on carbon 2 of the parent chain. 
D) There is a three-carbon alkyl group on carbon 4 of the parent chain. 
E) None of the above statements is false.

Question 7

Which alkyl group is a secondary alkyl group?

Accepted Answer

A) 
$\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } -$ 
B) 
  
C) 
  
D) 
  
E) All of these are correct. 
A) 
$\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } -$ 
B) 
  
C) 
  
D) 
  
E) All of these are correct.

Question 8

Molecules that have the same molecular formula,but have different structures are known as which of the following?

Accepted Answer

A) allotropes 
B) isotopes 
C) conformers 
D) isomers 
E) alkanes 
A) allotropes 
B) isotopes 
C) conformers 
D) isomers 
E) alkanes

Question 9

When dissolved in water,inorganic compounds tend to be better conductors of electricity than organic compounds.

Accepted Answer

A) True 
 B)False

Question 10

Which compound is an isomer of 2-methylpropane?

Accepted Answer

A) 2-chloropropane 
B) 2,2-dimethylpropane 
C) propane 
D) cyclobutane 
E) butane 
A) 2-chloropropane 
B) 2,2-dimethylpropane 
C) propane 
D) cyclobutane 
E) butane

Question 11

What is the correct classification for the compound shown below?

Accepted Answer

A) alcohol 
B) ether 
C) carboxylic acid 
D) amine 
E) ketone 
A) alcohol 
B) ether 
C) carboxylic acid 
D) amine 
E) ketone

Question 12

In 1828,Friedrich Wöhler carried out the first synthesis of an organic compound from inorganic substances.What compound did he accidentally make?

Accepted Answer

A) glucose 
B) urea 
C) ammonium cyanate 
D) aspirin 
E) formaldehyde 
A) glucose 
B) urea 
C) ammonium cyanate 
D) aspirin 
E) formaldehyde

Question 13

Consider the compound 4-ethyl-2,2-dimethylhexane,shown below.What classification best describes the fourth carbon atom in this six-carbon parent chain?

Accepted Answer

A) primary 
B) secondary 
C) tertiary 
D) quaternary 
E) It is impossible to determine without knowing the structural formula. 
A) primary 
B) secondary 
C) tertiary 
D) quaternary 
E) It is impossible to determine without knowing the structural formula.

Question 14

Which compound is classified as an ether?

Accepted Answer

A) 
  
B) 
  
C) 
$\mathrm { CH } _ { 3 } - \mathrm { CH } _ { 2 } - \mathrm { O } - \mathrm { H }$ 
D) 
$\mathrm { CH } _ { 3 } - \mathrm { CH } _ { 2 } - \mathrm { O } - \mathrm { CH } _ { 3 }$ 
E) 
$\mathrm { CH } _ { 3 } - \mathrm { CH } _ { 2 } - \mathrm { NH } _ { 2 }$ 
A) 
  
B) 
  
C) 
$\mathrm { CH } _ { 3 } - \mathrm { CH } _ { 2 } - \mathrm { O } - \mathrm { H }$ 
D) 
$\mathrm { CH } _ { 3 } - \mathrm { CH } _ { 2 } - \mathrm { O } - \mathrm { CH } _ { 3 }$ 
E) 
$\mathrm { CH } _ { 3 } - \mathrm { CH } _ { 2 } - \mathrm { NH } _ { 2 }$

Question 15

What is the source of most of the synthetic organic compounds that are used today?

Accepted Answer

A) methane 
B) trees 
C) petroleum 
D) natural gas 
E) coal 
A) methane 
B) trees 
C) petroleum 
D) natural gas 
E) coal

Question 16

Which correctly describes the geometry and bond angles around the indicated carbon in the structure below?

Accepted Answer

A) trigonal planar; 120° 
B) tetrahedral,109.5° 
C) trigonal pyramidal,109.5° 
D) tetrahedral,90° 
E) tetravalent,120° 
A) trigonal planar; 120° 
B) tetrahedral,109.5° 
C) trigonal pyramidal,109.5° 
D) tetrahedral,90° 
E) tetravalent,120°

Question 17

Which name describes a three-carbon alkane?

Accepted Answer

A) pentane 
B) butane 
C) propane 
D) heptane 
E) methane 
A) pentane 
B) butane 
C) propane 
D) heptane 
E) methane

Question 18

Which compound is an isomer of butane?

Accepted Answer

A) cyclobutane 
B) CH3CH(CH3)2 
C) benzene 
D) CH3CHBrCH2CH3 
E) 2,2-dimethylpropane 
A) cyclobutane 
B) CH3CH(CH3)2 
C) benzene 
D) CH3CHBrCH2CH3 
E) 2,2-dimethylpropane

Question 19

What is the correct classification for the compound shown below?

Accepted Answer

A) alcohol 
B) ether 
C) amide 
D) amine 
E) alkene 
A) alcohol 
B) ether 
C) amide 
D) amine 
E) alkene

Question 20

The compound shown below can be made from the halogenation reaction of what compound?

Accepted Answer

A) propane 
B) hexane 
C) pentane 
D) benzene 
E) 1-methylbutane 
A) propane 
B) hexane 
C) pentane 
D) benzene 
E) 1-methylbutane

Exam 10: An Introduction to Organic Chemistry

Which of the following is the correct line formula for methylbutane?

What is the name of the compound whose condensed formula is CH3(CH2)5CH3?

What additional condition or reagent is necessary for methane to react with chlorine according to the reaction equation shown below? CH4 + Cl2 → CH3Cl + HCl

Carbon monoxide may be produced in the partial (incomplete)combustion of methane.

Which statement concerning the two compounds shown below is FALSE?

The name of an organic compound is 2-methyl-4-propyloctane.What information about the structure of this compound is FALSE?

Which alkyl group is a secondary alkyl group?

Molecules that have the same molecular formula,but have different structures are known as which of the following?

When dissolved in water,inorganic compounds tend to be better conductors of electricity than organic compounds.

Which compound is an isomer of 2-methylpropane?

What is the correct classification for the compound shown below?

In 1828,Friedrich Wöhler carried out the first synthesis of an organic compound from inorganic substances.What compound did he accidentally make?

Consider the compound 4-ethyl-2,2-dimethylhexane,shown below.What classification best describes the fourth carbon atom in this six-carbon parent chain?

Which compound is classified as an ether?

What is the source of most of the synthetic organic compounds that are used today?

Which correctly describes the geometry and bond angles around the indicated carbon in the structure below?

Which name describes a three-carbon alkane?

Which compound is an isomer of butane?

What is the correct classification for the compound shown below?

The compound shown below can be made from the halogenation reaction of what compound?

Chemistry - Methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, chemical Changes, and the Chemical Equation

States of Matter: Gases, liquids, and Solids

Solutions

Energy,rate and Equilibrium

Acids and Bases

The Nucleus, radioactivity, and Nuclear Medicine

The Unsaturated Hydrocarbons: Alkenes, alkynes, and Aromatics

Alcohols, phenols, thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

Filters

What is the name of the compound whose condensed formula is CH₃(CH₂)₅CH₃?

What additional condition or reagent is necessary for methane to react with chlorine according to the reaction equation shown below? CH₄ + Cl₂ → CH₃Cl + HCl