Question 1

One of the characteristics of hydrocarbons is that they range from slightly soluble in water to very soluble in water.

Accepted Answer

A) True 
 B)False

Question 2

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 3

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 4

The following two structures would be classified as what?

Accepted Answer

A) geometric isomers 
B) structural isomers 
C) stereoisomers 
D) conformations 
A) geometric isomers 
B) structural isomers 
C) stereoisomers 
D) conformations

Question 5

The IUPAC name for the chemical shown contains an ethyl group located at what position?

Accepted Answer

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

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

What is the IUPAC name for the following alkane?

Accepted Answer

A) 2-ethylpropane 
B) 2-methylbutane 
C) pentane 
D) 3,3-dimethylpropane 
A) 2-ethylpropane 
B) 2-methylbutane 
C) pentane 
D) 3,3-dimethylpropane

Question 8

Isomers differ from each other in the number of neutrons present in each.

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

Which of the following compounds can exist in the form of geometric isomers?

Accepted Answer

A) 1,2-dibromocyclopentane 
B) 1,1-dibromocyclopentane 
C) 1-bromocyclopentane 
D) 1-bromo-1-methylcyclopentane 
A) 1,2-dibromocyclopentane 
B) 1,1-dibromocyclopentane 
C) 1-bromocyclopentane 
D) 1-bromo-1-methylcyclopentane

Question 11

The major use for hydrocarbons is combustion for energy.

Accepted Answer

A) True 
 B)False

Question 12

An unlimited number of carbon atoms can bond together to form chains.

Accepted Answer

A) True 
 B)False

Question 13

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 14

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

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

Isomers always have the same molecular formula.

Accepted Answer

A) True 
 B)False

Question 17

A characteristic of the alkanes is that they burn in air.

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Which statement is not correct? Functional groups are

Accepted Answer

A) to organic chemistry as polyatomic ions are to inorganic chemistry. 
B) the parts of molecules used to differentiate classifications of organic molecules. 
C) are chemically bound to each other in order to develop larger molecules. 
D) there is more than one correct response. 
A) to organic chemistry as polyatomic ions are to inorganic chemistry. 
B) the parts of molecules used to differentiate classifications of organic molecules. 
C) are chemically bound to each other in order to develop larger molecules. 
D) there is more than one correct response.

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 11: Organic Compounds: Alkanes

One of the characteristics of hydrocarbons is that they range from slightly soluble in water to very soluble in water.

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

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

The following two structures would be classified as what?

The IUPAC name for the chemical shown contains an ethyl group located at what position?

Complete combustion of pentane produces _____ .

What is the IUPAC name for the following alkane?

Isomers differ from each other in the number of neutrons present in each.

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

Which of the following compounds can exist in the form of geometric isomers?

The major use for hydrocarbons is combustion for energy.

An unlimited number of carbon atoms can bond together to form chains.

Identify the correct statement.Cycloalkanes are

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

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

Isomers always have the same molecular formula.

A characteristic of the alkanes is that they burn in air.

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

Which statement is not correct? Functional groups are

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

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

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