Question 1

Which option represents 1-butene

Accepted Answer

A)   CH3CH2CH2CH3
B)  CH ≡\equiv≡ CCH2CH3
C)   CH2=CHCH2CH3
D)   CH2=CHCH2CH2CH3
E)   CH3CH=CHCH3 F) A) and B)
G) A) and D)

Question 2

Which functional group, when present in a compound that is allowed to stand in air, poses a danger of slowly yielding explosive peroxides

Accepted Answer

A)   ether
B)   alcohol
C)   carboxylic acid
D)   ketone
E)   unsaturated hydrocarbonF) C) and D)
G) None of the above

Question 3

Which one of the following functional groups is found in ketones

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) C) and E)
G) A) and B)

Question 4

The oxidation product of 1-propanol when using Cr2O72- as the oxidizing agent is acetone.

Accepted Answer

A) True 
 B)False

Question 5

The molecule shown below is chiral, i.e. not superimposable on its mirror image.

Accepted Answer

A) True 
 B)False

Question 6

Esters are synthesized from two classes of organic compounds. Those two types of compounds are

Accepted Answer

A)   acids and bases.
B)   amines and alcohols.
C)   alcohols and acids.
D)   amines and alkenes.
E)   alkenes and bases.F) A) and E)
G) C) and D)

Question 7

The name for the compound with the formula CH3CH2CH2CH2OH is

Accepted Answer

A)   propanol.
B)   propane.
C)   butanol.
D)   pentane.
E)   pentanol.F) A) and B)
G) A) and C)

Question 8

Which option represents 1,6-hexanediamine

Accepted Answer

A)   HNCH2CH2CH2CH2CH2CH2NH
B)   H2NCH2CH2CH2CH2CH2CH2NH2
C)   H2NC(NH2) CH2CH2CH2CH2CH3
D)   HNC(NH) CH2CH2CH2CH2CH3
E)   H3N+CH2CH2CH2CH2CH2CH2NH3+F) A) and B)
G) A) and C)

Question 9

How many structural isomers are there of C4H10

Accepted Answer

A)   4
B)   6
C)   2
D)   8
E)   10F) None of the above
G) All of the above

Question 10

Which type of organic compound contains a hydroxyl functional group

Accepted Answer

A)   ester
B)   ether
C)   carboxylic acid
D)   aldehyde
E)   ketoneF) B) and E)
G) None of the above

Question 11

Alkenes have the general formula

Accepted Answer

A)   CnH2n-4.
B)   CnH2n-2.
C)   CnH2n.
D)   CnH2n+2.
E)   CnH2n+4.F) A) and C)
G) A) and B)

Question 12

Which of the following compounds are isomers of each other
I.pentane
II. 2-methylbutane
III. 2,3-dimethylbutane
IV. 2,2-dimethylpropane
V.1-hexene

Accepted Answer

A)   I, II and III
B)   I, II and IV
C)   II and III
D)   III and IV
E)   None of the aboveF) D) and E)
G) B) and C)

Question 13

The formulas for the alcohol and the carboxylic acid (respectively) from which the following ester may be synthesized are
CH3-CH2-COOH and CH3-CH2-OH

Accepted Answer

A) True 
 B)False

Question 14

Which of these molecules is unsaturated

Accepted Answer

A)   CH4
B)   C2H6
C)   C4H6
D)   C5H12
E)   C6H14F) B) and C)
G) A) and E)

Question 15

Unsaturated hydrocarbons

Accepted Answer

A)   contain at least one double or triple carbon-carbon bond.
B)   contain at least one element other than hydrogen and carbon.
C)   contain the maximum number of hydrogens that can bond with the carbon atoms present.
D)   cannot form structural isomers.
E)   cannot undergo addition reactions.F) A) and B)
G) C) and D)

Question 16

Alkanes have the general formula

Accepted Answer

A)   CnH2n-4.
B)   CnH2n-2.
C)   CnH2n.
D)   CnH2n+2.
E)   CnH2n+4.F) A) and D)
G) A) and C)

Question 17

The two molecules represented below are examples of

Accepted Answer

A)   isomers
B)   isotopes
C)   alcohols
D)   carboxylic acids
E)   unsaturated hydrocarbonsF) D) and E)
G) C) and E)

Question 18

Select the one chiral molecule.

Accepted Answer

A)   CH2Cl2
B)   CHFClBr
C)   CH3F
D)   CHFCl2
E)   CH4F) None of the above
G) A) and B)

Question 19

The two molecules represented below are examples of 
CH3-CH2-O-CH2CH3        ~~~~~~~        CH3CH2CH2CH2-OH

Accepted Answer

A)   geometric isomers.
B)   structural isomers.
C)   optical isomers.
D)   stereoisomers.
E)   None of these. F) B) and E)
G) B) and C)

Question 20

The molecule CHBr2CHCl2 has how many chiral centers

Accepted Answer

A)   0
B)   1
C)   2
D)   3
E)   4F) B) and C)
G) B) and D)

Exam 24: Organic Chemistry

Which of the following compounds are isomers of each other I.pentane II. 2-methylbutane III. 2,3-dimethylbutane IV. 2,2-dimethylpropane V.1-hexene

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The two molecules represented below are examples of CH3-CH2-O-CH2CH3 ~~~~~~~ CH3CH2CH2CH2-OH

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Esters are synthesized from two classes of organic compounds. Those two types of compounds are

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The name for the compound with the formula CH3CH2CH2CH2OH is

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Unsaturated hydrocarbons

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Alkanes have the general formula

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The molecule CHBr2CHCl2 has how many chiral centers

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The two molecules represented below are examples of

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The formulas for the alcohol and the carboxylic acid (respectively) from which the following ester may be synthesized are CH3-CH2-COOH and CH3-CH2-OH

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The oxidation product of 1-propanol when using Cr2O72- as the oxidizing agent is acetone.

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Which one of the following functional groups is found in ketones

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The molecule shown below is chiral, i.e. not superimposable on its mirror image.

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Which option represents 1,6-hexanediamine

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Alkenes have the general formula

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How many structural isomers are there of C4H10

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Which option represents 1-butene

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Which functional group, when present in a compound that is allowed to stand in air, poses a danger of slowly yielding explosive peroxides

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Select the one chiral molecule.

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Which of these molecules is unsaturated

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Which type of organic compound contains a hydroxyl functional group

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The two molecules represented below are examples of CH₃-CH₂-O-CH₂CH₃ $~~~~~~~$ CH₃CH₂CH₂CH₂-OH

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The name for the compound with the formula CH₃CH₂CH₂CH₂OH is

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The molecule CHBr₂CHCl₂ has how many chiral centers

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The formulas for the alcohol and the carboxylic acid (respectively) from which the following ester may be synthesized are CH₃-CH₂-COOH and CH₃-CH₂-OH

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The oxidation product of 1-propanol when using Cr₂O₇^2- as the oxidizing agent is acetone.

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How many structural isomers are there of C₄H₁₀

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