Question 1

Which of the following is the correct structure for 1-ethylcyclopentane?

Accepted Answer

A)   
B)   
C)   
D)   E) C) and D)
F) B) and C)

Question 2

Which of the following alkenes shows cis-trans isomerism?

Accepted Answer

A)  1,1-difluorobutene
B)  1-pentene
C)  2-methyl-2-octene
D)  3-octeneE) A) and C)
F) A) and B)

Question 3

Write the condensed structural formula for this Lewis structure:

Accepted Answer

The answer of Write the condensed structural formula for this...

Question 4

The compound CH3(CH2) 4CH3 is called:

Accepted Answer

A)  hexane
B)  pentane
C)  heptane
D)  butaneE) All of the above
F) A) and C)

Question 5

When two compounds are made up of the same number and kind of atoms, but differ in their molecular structure they are known as:

Accepted Answer

A)  isotopes
B)  homologs
C)  isomers
D)  hydrocarbonsE) A) and C)
F) None of the above

Question 6

Mark the chiral carbons in the following molecules:
A)  B)

Accepted Answer

The answer of Mark the chiral carbons in the following...

Question 7

Saturated hydrocarbons contain only single C-C bonds.

Accepted Answer

A) True 
 B)False

Question 8

Identify the "1" and "12" carbon atoms in lauric acid

Accepted Answer

The answer of Identify the "1" and "12" carbon atoms...

Question 9

Either write the name or draw the following compounds:
A)  B)  C)1,3-difluoro-2-methyl pentane
D)4-ethyl-3,3-dimethylnonane
E)3,4-dichloro-5-methylheptane

Accepted Answer

A)4-ethyl-5-isopropy...

Question 10

The general formula for a cycloalkane is CnH2n+2.

Accepted Answer

A) True 
 B)False

Question 11

Which of these formulas corresponds to that of a straight-chain alkane?

Accepted Answer

A)  C5H10
B)  C6H12
C)  C5H12
D)  C7H14E) None of the above
F) All of the above

Question 12

Which of these functional groups is a thiol?

Accepted Answer

A)  R-S-H
B)  R-O-H
C)  R-S-S-H
D)  R-S-S-R'E) All of the above
F) C) and D)

Question 13

Which fatty acid is a saturated fatty acid?

Accepted Answer

A)  Oleic acid
B)  Linoleic acid
C)  Arachidonic acid
D)  Myristic acidE) C) and D)
F) A) and D)

Question 14

Which of these hydrocarbons could not be a cycloalkane?

Accepted Answer

A)  C3H6
B)  C4H8
C)  C5H10
D)  C6H14E) C) and D)
F) A) and D)

Question 15

This skeletal structure represents an alkene:

Accepted Answer

A) True 
 B)False

Question 16

How many carbon atoms are in a molecule of palmitic acid?

Accepted Answer

A)  12
B)  14
C)  16
D)  18E) A) and C)
F) All of the above

Question 17

The condensed structural formula represented by this skeletal structure is: CH3CH2CH2CH2CH3.

Accepted Answer

A) True 
 B)False

Question 18

Which of these molecules is an ester?

Accepted Answer

A)   
B)   
C)   
D)   E) B) and C)
F) A) and C)

Question 19

This molecule contains 2 chiral centers.

Accepted Answer

A) True 
 B)False

Question 20

What is the IUPAC name for the following structure?

Accepted Answer

A)  1,2-dimethyl cyclohexane
B)  trans-1,2-dimethyl cyclohexane
C)  cis-1,2-dimethyl cyclohexane
D)  5,6-dimethyl cyclohexaneE) All of the above
F) A) and C)

Exam 4: Introduction to Organic Compounds

Either write the name or draw the following compounds: A) B) C)1,3-difluoro-2-methyl pentane D)4-ethyl-3,3-dimethylnonane E)3,4-dichloro-5-methylheptane

Correct AnswerverifiedA)4-ethyl-5-isopropy...View AnswerShow Answer

The compound CH3(CH2) 4CH3 is called:

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What is the IUPAC name for the following structure?

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The general formula for a cycloalkane is CnH2n+2.

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Which of these hydrocarbons could not be a cycloalkane?

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Which of these functional groups is a thiol?

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Which of these formulas corresponds to that of a straight-chain alkane?

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This molecule contains 2 chiral centers.

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Which of the following alkenes shows cis-trans isomerism?

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Saturated hydrocarbons contain only single C-C bonds.

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How many carbon atoms are in a molecule of palmitic acid?

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Identify the "1" and "12" carbon atoms in lauric acid

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The condensed structural formula represented by this skeletal structure is: CH3CH2CH2CH2CH3.

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Which of the following is the correct structure for 1-ethylcyclopentane?

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Which of these molecules is an ester?

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Write the condensed structural formula for this Lewis structure:

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Which fatty acid is a saturated fatty acid?

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When two compounds are made up of the same number and kind of atoms, but differ in their molecular structure they are known as:

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Mark the chiral carbons in the following molecules: A) B)

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This skeletal structure represents an alkene:

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A)4-ethyl-5-isopropy...
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The compound CH₃(CH₂) ₄CH₃ is called:

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The general formula for a cycloalkane is C_nH_2n+2.

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The condensed structural formula represented by this skeletal structure is: CH₃CH₂CH₂CH₂CH₃.

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