Question 1

Organic compounds are always derived from a living source.

Accepted Answer

A) True 
 B)False  False

Question 2

Isomers always have the same empirical formula.

Accepted Answer

A) True 
 B)False  True

Question 3

Organic compounds can contain other elements such as oxygen or nitrogen.

Accepted Answer

A) True 
 B)False  True

Question 4

Carbon-carbon bonds are usually strong and covalent.

Accepted Answer

A) True 
 B)False

Question 5

Identify the correct statement.Cycloalkanes are

Accepted Answer

A)  compounds that have a flat molecular structure. 
B)  saturated hydrocarbons. 
C)  compounds that cannot have the hydrogens removed and replaced by chlorine. 
D)  None of these statements is correct. 
A)  compounds that have a flat molecular structure. 
B)  saturated hydrocarbons. 
C)  compounds that cannot have the hydrogens removed and replaced by chlorine. 
D)  None of these statements is correct.

Question 6

Complete combustion of pentane produces _____ .

Accepted Answer

A)  CO and H2O 
B)  CO2 and H2O 
C)  CO2 and CO 
D)  CO and C 
A)  CO and H2O 
B)  CO2 and H2O 
C)  CO2 and CO 
D)  CO and C

Question 7

cis-1,2-Dimethylcyclohexane and trans-1,2-dimethylcyclohexane are examples of what type of isomers?

Accepted Answer

A)  structural isomers 
B)  stereoisomers 
C)  geometric isomers 
D)  more than one response is correct 
A)  structural isomers 
B)  stereoisomers 
C)  geometric isomers 
D)  more than one response is correct

Question 8

How many structural isomers are possible for compounds with a molecular formula C4H10?

Accepted Answer

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

Question 9

Given the fact that organic compounds like waxes and oils have low melting points and make good lubricants,it's a good bet that the main type of interparticle interaction is due to_____.

Accepted Answer

A)  dipole-dipole attractions 
B)  dispersion forces 
C)  hydrogen bonding 
D)  ionic interactions 
A)  dipole-dipole attractions 
B)  dispersion forces 
C)  hydrogen bonding 
D)  ionic interactions

Question 10

An unknown substance is a liquid at room temperature,reacts readily with oxygen,and is a nonconductor.Which of the listed compounds might this substance be?

Accepted Answer

A)  C6H6 
B)  K2CO3 
C)  H2SO4 
D)  NH4HCO3 
A)  C6H6 
B)  K2CO3 
C)  H2SO4 
D)  NH4HCO3

Question 11

Identify the correct statement: The alkanes represent one family of organic compounds

Accepted Answer

A)  in which the halogens are a major component. 
B)  in which there is at least one double bond between carbons. 
C)  that is composed of carbon and hydrogen. 
D)  in which hydrogens can be bonded to other hydrogens. 
A)  in which the halogens are a major component. 
B)  in which there is at least one double bond between carbons. 
C)  that is composed of carbon and hydrogen. 
D)  in which hydrogens can be bonded to other hydrogens.

Question 12

Which of the following is a use for alkanes?

Accepted Answer

A)  fuel 
B)  lubricant 
C)  solvent 
D)  more than one response is correct 
A)  fuel 
B)  lubricant 
C)  solvent 
D)  more than one response is correct

Question 13

An organic food is defined as something that contains organic chemicals.

Accepted Answer

A) True 
 B)False

Question 14

Most inorganic compounds have a higher melting point than organic compounds.

Accepted Answer

A) True 
 B)False

Question 15

Some of the symptoms of carbon monoxide poisoning are headache,nausea,and rapid respiration.

Accepted Answer

A) True 
 B)False

Question 16

The discovery of organic chemicals was made in 1828,when urea was first synthesized.

Accepted Answer

A) True 
 B)False

Question 17

How many isomers (structural + geometric)exist for dibromocyclopentane (C5H8Br2)?

Accepted Answer

A)  5 
B)  6 
C)  4 
D)  3 
A)  5 
B)  6 
C)  4 
D)  3

Question 18

Organic chemistry can be defined as the chemistry of carbon-containing compounds.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is NOT a functional group associated with organic molecules? (Note: R represents any alkyl chain. )

Accepted Answer

A) 
  
B) 
  
C) 
  
D)  All are functional groups. 
A) 
  
B) 
  
C) 
  
D)  All are functional groups.

Question 20

When ethane burns in a limited supply of oxygen,the chemical reaction would be which of the following?

Accepted Answer

A) 
  
B) 
  
C) 
  
D)  a and c 
E)  all of the above 
A) 
  
B) 
  
C) 
  
D)  a and c 
E)  all of the above

Exam 11: Organic Compounds: Alkanes

Organic compounds are always derived from a living source.

Isomers always have the same empirical formula.

Organic compounds can contain other elements such as oxygen or nitrogen.

Carbon-carbon bonds are usually strong and covalent.

Identify the correct statement.Cycloalkanes are

Complete combustion of pentane produces _____ .

cis-1,2-Dimethylcyclohexane and trans-1,2-dimethylcyclohexane are examples of what type of isomers?

How many structural isomers are possible for compounds with a molecular formula C4H10?

Given the fact that organic compounds like waxes and oils have low melting points and make good lubricants,it's a good bet that the main type of interparticle interaction is due to_____.

An unknown substance is a liquid at room temperature,reacts readily with oxygen,and is a nonconductor.Which of the listed compounds might this substance be?

Identify the correct statement: The alkanes represent one family of organic compounds

Which of the following is a use for alkanes?

An organic food is defined as something that contains organic chemicals.

Most inorganic compounds have a higher melting point than organic compounds.

Some of the symptoms of carbon monoxide poisoning are headache,nausea,and rapid respiration.

The discovery of organic chemicals was made in 1828,when urea was first synthesized.

How many isomers (structural + geometric)exist for dibromocyclopentane (C5H8Br2)?

Organic chemistry can be defined as the chemistry of carbon-containing compounds.

Which of the following is NOT a functional group associated with organic molecules? (Note: R represents any alkyl chain. )

When ethane burns in a limited supply of oxygen,the chemical reaction would be which of the following?

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids,bases,and Salts

Radioactivity and Nuclear Processes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

How many structural isomers are possible for compounds with a molecular formula C₄H₁₀?

How many isomers (structural + geometric)exist for dibromocyclopentane (C₅H₈Br₂)?