Question 1

The major use for hydrocarbons is combustion for energy.

Accepted Answer

A) True 
 B)False

Question 2

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 aboveF) C) and D)
G) B) and D)

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

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.E) B) and D)
F) C) and D)

Question 5

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

Accepted Answer

A)  2
B)  3
C)  4
D)  5E) A) and C)
F) None of the above

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A)  5
B)  6
C)  4
D)  3E) All of the above
F) C) and D)

Question 9

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

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-methylcyclopentaneE) None of the above
F) A) and B)

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

Isomers always have the same molecular formula.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

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

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) A) and B)
F) A) and C)

Question 15

The following two structures would be classified as what?

Accepted Answer

A)  geometric isomers
B)  structural isomers
C)  stereoisomers
D)  conformationsE) C) and D)
F) B) and C)

Question 16

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.E) B) and C)
F) All of the above

Question 17

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 18

Complete combustion of pentane produces _____ .

Accepted Answer

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

Question 19

What is the IUPAC name for the following alkane?

Accepted Answer

A)  2-ethylpropane
B)  2-methylbutane
C)  pentane
D)  3,3-dimethylpropaneE) B) and C)
F) None of the above

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 11: Organic Compounds: Alkanes

The major use for hydrocarbons is combustion for energy.

Correct AnswerverifiedShow Answer

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

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the IUPAC name for the following alkane?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The following two structures would be classified as what?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Isomers always have the same molecular formula.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Complete combustion of pentane produces _____ .

Correct AnswerverifiedShow Answer

Identify the correct statement.Cycloalkanes are

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

Correct AnswerverifiedShow Answer

Which statement is not correct? Functional groups are

Correct AnswerverifiedShow Answer

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

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

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