Question 1

Which pair(s)of molecules below are geometric isomers?   ​

Accepted Answer

A)  All of them are geometric isomers. 
B)  pairs 2, 3, and 4 
C)  pairs 1, 2, and 3 
D)  pair 1, 3, and 4 
E)  pair 4 only 
A)  All of them are geometric isomers. 
B)  pairs 2, 3, and 4 
C)  pairs 1, 2, and 3 
D)  pair 1, 3, and 4 
E)  pair 4 only

Question 2

Which statement about aromatic rings is FALSE?

Accepted Answer

A)  Aromatic rings are very common. 
B)  Aromatic rings are found in many pharmaceuticals. 
C)  Aromatic rings are highly reactive. 
D)  Aromatic rings are flat (planar). 
E)  Aromatic rings are stable. 
A)  Aromatic rings are very common. 
B)  Aromatic rings are found in many pharmaceuticals. 
C)  Aromatic rings are highly reactive. 
D)  Aromatic rings are flat (planar). 
E)  Aromatic rings are stable.

Question 3

An alkene has _______ a saturated hydrocarbon with the same number of carbon atom.

Accepted Answer

A)  two more hydrogen atoms than 
B)  one more hydrogen atom than 
C)  the same number of hydrogen atoms as 
D)  one fewer hydrogen atom than 
E)  two fewer hydrogen atoms than 
A)  two more hydrogen atoms than 
B)  one more hydrogen atom than 
C)  the same number of hydrogen atoms as 
D)  one fewer hydrogen atom than 
E)  two fewer hydrogen atoms than

Question 4

Ethynyl estradiol, a synthetic hormone, is a common component of birth control pills.What is the angle of the C-C-O bond indicated with the arrow?

Accepted Answer

A)  45° 
B)  90° 
C)  109.5° 
D)  120° 
E)  180° 
A)  45° 
B)  90° 
C)  109.5° 
D)  120° 
E)  180°

Question 5

Which of the following compounds is a valid Lewis structure of a hydrocarbon?

Accepted Answer

A)  All of these compounds are valid structures of hydrocarbons. 
B)  I, II, and IV are valid structures of hydrocarbons. 
C)  III and IV are valid structures of hydrocarbons. 
D)  Only III is a valid structure of hydrocarbons. 
E)  Only IV is a valid structure of hydrocarbons. 
A)  All of these compounds are valid structures of hydrocarbons. 
B)  I, II, and IV are valid structures of hydrocarbons. 
C)  III and IV are valid structures of hydrocarbons. 
D)  Only III is a valid structure of hydrocarbons. 
E)  Only IV is a valid structure of hydrocarbons.

Question 6

Which skeletal line structure BEST represents the Lewis structure below?

Accepted Answer

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

Question 7

A cyclohexane molecule and a benzene molecule are illustrated below.Which statement describing the relationship between benzene and cyclohexane is true?   I.Benzene and cyclohexane have different molecular formulas. II.Benzene and cyclohexane are both flat.
III)Benzene and cyclohexane have different C-C bond lengths.
IV)Benzene is more flexible than cyclohexane

Accepted Answer

A)  Only I is true. 
B)  I and III are true. 
C)  I, II, and III are true. 
D)  I and IV are true. 
E)  All of the statements are true. 
A)  Only I is true. 
B)  I and III are true. 
C)  I, II, and III are true. 
D)  I and IV are true. 
E)  All of the statements are true.

Question 8

Which statement BEST describes the difference(s)between structures I and II in this reaction of rhodopsin in the presence of light?   I.Structure II is more linear than structure I. II.Structure I is more linear than structure II.
III)A cis double bond in structure I has been converted to a trans double bond in structure II.
IV)A trans double bond in structure I has been converted to a cis double bond in structure II.

Accepted Answer

A)  All of these statements are true. 
B)  I and IV are true. 
C)  II and IV are true. 
D)  I and III are true. 
E)  II and III are true. 
A)  All of these statements are true. 
B)  I and IV are true. 
C)  II and IV are true. 
D)  I and III are true. 
E)  II and III are true.

Question 9

Which pair(s)of molecules below are conformers?

Accepted Answer

A)  pairs 1, 3, and 4 
B)  pairs 2 and 4 
C)  pairs 2 and 3 
D)  pair 2 only 
E)  pair 4 only 
A)  pairs 1, 3, and 4 
B)  pairs 2 and 4 
C)  pairs 2 and 3 
D)  pair 2 only 
E)  pair 4 only

Question 10

What is the IUPAC name of the following branched hydrocarbon?

Accepted Answer

A)  3-methylhexene 
B)  2-propyl-1-butene 
C)  3-heptene 
D)  2-ethyl-1-pentene 
E)  4-ethyl-4-pentene 
A)  3-methylhexene 
B)  2-propyl-1-butene 
C)  3-heptene 
D)  2-ethyl-1-pentene 
E)  4-ethyl-4-pentene

Question 11

Which of the fatty acids are saturated?

Accepted Answer

A)  All of them (I through (VI)are saturated. 
B)  Only II and III are saturated. 
C)  Only I, II, and III are saturated. 
D)  Only I, IV, V, and VI are saturated. 
E)  Only IV, V, and VI are saturated. 
A)  All of them (I through (VI)are saturated. 
B)  Only II and III are saturated. 
C)  Only I, II, and III are saturated. 
D)  Only I, IV, V, and VI are saturated. 
E)  Only IV, V, and VI are saturated.

Which pair(s)of molecules below are geometric isomers?

Which statement about aromatic rings is FALSE?

An alkene has _______ a saturated hydrocarbon with the same number of carbon atom.

Ethynyl estradiol, a synthetic hormone, is a common component of birth control pills.What is the angle of the C-C-O bond indicated with the arrow?

Which of the following compounds is a valid Lewis structure of a hydrocarbon?

Which skeletal line structure BEST represents the Lewis structure below?

Which pair(s)of molecules below are conformers?

What is the IUPAC name of the following branched hydrocarbon?

Which of the fatty acids are saturated?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 10: Introduction to Organic Chemistry:

Which pair(s)of molecules below are geometric isomers? ​

Which statement about aromatic rings is FALSE?

An alkene has _______ a saturated hydrocarbon with the same number of carbon atom.

Ethynyl estradiol, a synthetic hormone, is a common component of birth control pills.What is the angle of the C-C-O bond indicated with the arrow?

Which of the following compounds is a valid Lewis structure of a hydrocarbon?

Which skeletal line structure BEST represents the Lewis structure below?

Which pair(s)of molecules below are conformers?

What is the IUPAC name of the following branched hydrocarbon?

Which of the fatty acids are saturated?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Which pair(s)of molecules below are geometric isomers?