Question 1

Which of these is not correct?

Accepted Answer

A) Alkynes always contain a triple bond. 
B) Alcohols contain at least one oxygen atom. 
C) Amines contain at least on phosphorus atom. 
D) Carboxylic acids contain at least two oxygen atoms. 
E) An aldehyde contains a double bond. 
A) Alkynes always contain a triple bond. 
B) Alcohols contain at least one oxygen atom. 
C) Amines contain at least on phosphorus atom. 
D) Carboxylic acids contain at least two oxygen atoms. 
E) An aldehyde contains a double bond.

Question 2

Which of these is not a polycyclic aromatic compound?

Accepted Answer

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

Question 3

Which of these is the correct name of CH3CH2HC=CHCHO?

Accepted Answer

A) pentanal 
B) 2-pentenal 
C) pentenal 
D) 2-ethyl-propanal 
E) benzaldehyde 
A) pentanal 
B) 2-pentenal 
C) pentenal 
D) 2-ethyl-propanal 
E) benzaldehyde

Question 4

Which of these is the correct name of the structure  below ?
​

Accepted Answer

A) Diethyl ether 
B) Butanone 
C) Ethyl ethlyate 
D) 1,4-dimethyl ethanone 
E) Diethylethanal 
A) Diethyl ether 
B) Butanone 
C) Ethyl ethlyate 
D) 1,4-dimethyl ethanone 
E) Diethylethanal

Question 5

Which of these alkanes would be liquids at room temperature?
I. C2H6
II. C3H8
III. C5H10
IV. C6H14
V.CH4

Accepted Answer

A) I and II 
B) I, II, and III 
C) III and IV 
D) I, II, and V 
E) I and V 
A) I and II 
B) I, II, and III 
C) III and IV 
D) I, II, and V 
E) I and V

Question 6

Which of these is the correct name for CH3(CH2)7CH3?

Accepted Answer

A) Butene 
B) Octane 
C) Hexane 
D) Nonane 
E) Heptene 
A) Butene 
B) Octane 
C) Hexane 
D) Nonane 
E) Heptene

Question 7

Determine the number of structural isomers for C3H8.

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3 
E) 4 
A) 0 
B) 1 
C) 2 
D) 3 
E) 4

Question 8

Which of these statements about alkanes is not correct?

Accepted Answer

A) Alkanes are nonpolar. 
B) Alkanes have a general formula CnH2n+ 2. 
C) Hydrogen is always at a terminal position. 
D) Alkanes with a carbon chain of four or less are liquids. 
E) There are no carbon to carbon double bonds. 
A) Alkanes are nonpolar. 
B) Alkanes have a general formula CnH2n+ 2. 
C) Hydrogen is always at a terminal position. 
D) Alkanes with a carbon chain of four or less are liquids. 
E) There are no carbon to carbon double bonds.

Question 9

Which of these statements about isomers is incorrect ?

Accepted Answer

A) Isomers have the same chemical formula. 
B) Isomers have different structural formulas. 
C) Isomers have essentially the same properties. 
D) In alkenes and alkynes, the multiple bond may be found in different locations. 
E) In alkanes, the greater the number of carbon atoms the greater the number of isomers. 
A) Isomers have the same chemical formula. 
B) Isomers have different structural formulas. 
C) Isomers have essentially the same properties. 
D) In alkenes and alkynes, the multiple bond may be found in different locations. 
E) In alkanes, the greater the number of carbon atoms the greater the number of isomers.

Question 10

Which of these statements about alkanes is not correct?

Accepted Answer

A) Alkanes are nonpolar. 
B) Alkanes are nonflammable. 
C) Carbon must always form four bonds. 
D) Alkanes have a general formula CnH2n +2. 
E) There are no carbon to carbon double bonds. 
A) Alkanes are nonpolar. 
B) Alkanes are nonflammable. 
C) Carbon must always form four bonds. 
D) Alkanes have a general formula CnH2n +2. 
E) There are no carbon to carbon double bonds.

Question 11

Which of these is the generic symbol for the functional group of aldehydes?

Accepted Answer

A) R-Cl 
B) R-OH 
C)    
D)    
E)    
A) R-Cl 
B) R-OH 
C)    
D)    
E)

Which of these is not correct?

Which of these is not a polycyclic aromatic compound?

Which of these is the correct name of CH₃CH₂HC=CHCHO?

Which of these is the correct name of the structure below ?

Which of these alkanes would be liquids at room temperature? I. C₂H₆ II. C₃H₈ III. C₅H₁₀ IV. C₆H₁₄ V.CH₄

Which of these is the correct name for CH₃(CH₂)₇CH₃?

Determine the number of structural isomers for C₃H₈.

Which of these statements about alkanes is not correct?

Which of these statements about isomers is incorrect ?

Which of these statements about alkanes is not correct?

Which of these is the generic symbol for the functional group of aldehydes?

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Exam 6: Organic Chemistry

Which of these is not correct?

Which of these is not a polycyclic aromatic compound?

Which of these is the correct name of CH3CH2HC=CHCHO?

Which of these is the correct name of the structure below ? ​

Which of these alkanes would be liquids at room temperature? I. C2H6 II. C3H8 III. C5H10 IV. C6H14 V.CH4

Which of these is the correct name for CH3(CH2)7CH3?

Determine the number of structural isomers for C3H8.

Which of these statements about alkanes is not correct?

Which of these statements about isomers is incorrect ?

Which of these statements about alkanes is not correct?

Which of these is the generic symbol for the functional group of aldehydes?

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

Filters

Which of these is the correct name of CH₃CH₂HC=CHCHO?

Which of these is the correct name of the structure below ?

Which of these alkanes would be liquids at room temperature? I. C₂H₆ II. C₃H₈ III. C₅H₁₀ IV. C₆H₁₄ V.CH₄

Which of these is the correct name for CH₃(CH₂)₇CH₃?

Determine the number of structural isomers for C₃H₈.