Question 1

How many constitutional isomers are possible for the molecular formula C5H12?

Accepted Answer

A) one 
B) three 
C) four 
D) five 
E) six 
A) one 
B) three 
C) four 
D) five 
E) six

Question 2

What is the IUPAC name of the following compound?

Accepted Answer

A) 2-chloromethane 
B) 2-chloropropane 
C) 1-methyl-1-chloroethane 
D) 1,1-chloromethylethane 
E) 2-chloroethane 
A) 2-chloromethane 
B) 2-chloropropane 
C) 1-methyl-1-chloroethane 
D) 1,1-chloromethylethane 
E) 2-chloroethane

Question 3

What is the name of the alkyl group represented by the structure below?

Accepted Answer

A) acetyl 
B) dimethyl 
C) propyl 
D) ethanyl 
E) ethyl 
A) acetyl 
B) dimethyl 
C) propyl 
D) ethanyl 
E) ethyl

Question 4

The compound shown below is classified as what type?

Accepted Answer

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

Question 5

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 6

What is the molecular formula and name of the following compound?

Accepted Answer

A) C4H9Br, 3-bromobutane 
B) C5H11Br, 2-bromopentane 
C) C4H8Br, 2-bromobutane 
D) C4H9Br, 2-bromobutane 
E) C4H8Br, 3-bromobutane 
A) C4H9Br, 3-bromobutane 
B) C5H11Br, 2-bromopentane 
C) C4H8Br, 2-bromobutane 
D) C4H9Br, 2-bromobutane 
E) C4H8Br, 3-bromobutane

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

What is the molecular formula of the simplest alkane capable of having constitutional isomers?

Accepted Answer

A) CH4 
B) C2H6 
C) C3H8 
D) C4H10 
E) C5H12 
A) CH4 
B) C2H6 
C) C3H8 
D) C4H10 
E) C5H12

Question 9

Methane reacts with oxygen in a combustion reaction to produce carbon dioxide and water.How many moles of water are produced by the complete combustion of one mole of methane?

Accepted Answer

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

Question 10

Which of the following properly describes constitutional isomers?

Accepted Answer

A) organic compounds with different molecular formulas 
B) compounds with the same molecular formula, but a different order of attachment of atoms 
C) compounds with the same molecular formula and order of attachment of atoms, but a different spatial arrangement of atoms 
D) compounds with the same number of hydrogens, but a different number of carbons 
E) compounds with the same number of carbons, but a different number of hydrogens 
A) organic compounds with different molecular formulas 
B) compounds with the same molecular formula, but a different order of attachment of atoms 
C) compounds with the same molecular formula and order of attachment of atoms, but a different spatial arrangement of atoms 
D) compounds with the same number of hydrogens, but a different number of carbons 
E) compounds with the same number of carbons, but a different number of hydrogens

Question 11

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 12

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

Question 13

Which structural formula is represented by the condensed formula shown below? CH2BrCH2CH(CH3)2

Accepted Answer

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

Question 14

2-Methylhexane is a constitutional isomer of hexane.

Accepted Answer

A) True 
 B)False

Question 15

The functional group shown below is found in what type of compound?

Accepted Answer

A) alcohols 
B) ketones 
C) carboxylic acids 
D) esters 
E) aldehydes 
A) alcohols 
B) ketones 
C) carboxylic acids 
D) esters 
E) aldehydes

Question 16

Which compound(s) below contain substituents that are cis?

Accepted Answer

A) A 
B) B 
C) A and B 
D) C and D 
E) A, C, and D 
A) A 
B) B 
C) A and B 
D) C and D 
E) A, C, and D

Question 17

A chemist needs to reflux a reaction mixture at a high temperature.This requires the use of a high-boiling organic solvent.Of the following solvents that are available for use, which would have the highest boiling point, and therefore should be used as the solvent in the reaction?

Accepted Answer

A)    
B)    
C)    
D)    
E) CH4 
A)    
B)    
C)    
D)    
E) CH4

Question 18

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 19

What family of organic compounds contains the functional group shown below?

Accepted Answer

A) aliphatic 
B) isotopic 
C) alkene 
D) alkyne 
E) aromatic 
A) aliphatic 
B) isotopic 
C) alkene 
D) alkyne 
E) aromatic

Question 20

Which of the following best describes molecules related as conformational isomers?

Accepted Answer

A) same molecular formulas but different bonding patterns between atoms 
B) different molecular formulas but the same connections between atoms 
C) same molecular formulas, the same connections between atoms, but different spatial arrangement of atoms due to rotation around bonds 
D) same molecular formulas but different cis-trans arrangement of atoms 
E) different molecular formulas and different bonding patterns 
A) same molecular formulas but different bonding patterns between atoms 
B) different molecular formulas but the same connections between atoms 
C) same molecular formulas, the same connections between atoms, but different spatial arrangement of atoms due to rotation around bonds 
D) same molecular formulas but different cis-trans arrangement of atoms 
E) different molecular formulas and different bonding patterns

Exam 10: An Introduction to Organic Chemistry- the Saturated Hydrocarbons

How many constitutional isomers are possible for the molecular formula C5H12?

What is the IUPAC name of the following compound?

What is the name of the alkyl group represented by the structure below?

The compound shown below is classified as what type?

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

What is the molecular formula and name of the following compound?

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

What is the molecular formula of the simplest alkane capable of having constitutional isomers?

Methane reacts with oxygen in a combustion reaction to produce carbon dioxide and water.How many moles of water are produced by the complete combustion of one mole of methane?

Which of the following properly describes constitutional isomers?

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

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

Which structural formula is represented by the condensed formula shown below? CH2BrCH2CH(CH3)2

2-Methylhexane is a constitutional isomer of hexane.

The functional group shown below is found in what type of compound?

Which compound(s) below contain substituents that are cis?

A chemist needs to reflux a reaction mixture at a high temperature.This requires the use of a high-boiling organic solvent.Of the following solvents that are available for use, which would have the highest boiling point, and therefore should be used as the solvent in the reaction?

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

What family of organic compounds contains the functional group shown below?

Which of the following best describes molecules related as conformational isomers?

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

How many constitutional isomers are possible for the molecular formula C₅H₁₂?

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

Which structural formula is represented by the condensed formula shown below? CH₂BrCH₂CH(CH₃)₂