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CHEM 104 MODULE 2 PORTAGE LEARNING ACTUAL EXAM
QUESTIONS & CORRECT ANSWERS |100% GUARANTEED PASS.
MULTIPLE CHOICES
A cycloalkane ________.
A. has no hydrogen atoms
B. always contains a three carbon ring
C. contains - CH3 groups joined by single bonds
D. has two fewer carbon atoms than the corresponding alkane
E. has two fewer hydrogen atoms than the corresponding alkane - ✓✓ Correct: E. has two fewer hydrogen
atoms than the corresponding alkane
What is the IUPAC name of the nine-carbon continuous-chain alkane?
A. hexane
B. heptane
C. octane
D. nonane
E. decane - ✓✓ Correct: D. nonane
What type of compound is CH3-CH2--CH2Br
A. alkane
B. cycloalkane
C. isomer
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D. branched alkane
E. haloalkane - ✓✓ Correct: E. haloalkane
According to the IUPAC convention, alkyl group names should be located ________ of the name of the main
chain.
A. at the end
B. in front
C. in the middle - ✓✓ Correct: B. in front
According to the IUPAC convention, alkyl substituents on a hydrocarbon chain should be listed in which order?
A. in order with the substituent having the largest number of carbons first
B. alphabetical including prefixes
C. in order with the substituent having the smallest number of carbons first
D. alphabetical without considering prefixes
E. in order with the substituent having the largest total number of carbons first - ✓✓ Correct: D. alphabetical
without considering prefixes
Compounds that have the same molecular formula but different arrangements of atoms are called ________.
A. isotopes
B. indicators
C. isometrics
D. isomers
E. isozymes - ✓✓ Correct: D. isomers
A hydrocarbon contains only the elements ________.
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A. carbon and hydrogen
B. hydrogen and oxygen
C. carbon, hydrogen, and oxygen
D. carbon and oxygen
E. carbon, hydrogen, and nitrogen - ✓✓ Correct: A. carbon and hydrogen
Which of the following compounds could have the molecular formula C7H16?
Select one:
A. 2-methylheptane
B. hexane
C. 2,3-dimethylpentane
D. 3-ethylhexane
E. pentane - ✓✓ Correct: C. 2,3-dimethylpentane
What is the name for a three-carbon saturated alkyl group?
Select one:
A. methyl
B. ethyl
C. propyl
D. butyl
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E. pentyl - ✓✓ Correct: C. propyl
What is(are) the product(s) of the complete combustion of any hydrocarbon?
Select one:
A. CO only
B. CO2 + H2O
C. CO + H2O
D. H2O only
E. CO2 only - ✓✓ Correct: B. CO2 + H2O
The complete combustion of 1 mole of pentane, C5H12, will require how many moles of oxygen, O2?
Select one:
A. 1 mole
B. 2 moles
C. 5 moles
D. 6 moles
E. 8 moles - ✓✓ Correct: E. 8 moles
An alkene is an organic compound that contains a ________ bond.
Select one:
A. single
B. triple
C. hydrogen
CHEM 104 MODULE 2 PORTAGE LEARNING ACTUAL EXAM
QUESTIONS & CORRECT ANSWERS |100% GUARANTEED PASS.
MULTIPLE CHOICES
A cycloalkane ________.
A. has no hydrogen atoms
B. always contains a three carbon ring
C. contains - CH3 groups joined by single bonds
D. has two fewer carbon atoms than the corresponding alkane
E. has two fewer hydrogen atoms than the corresponding alkane - ✓✓ Correct: E. has two fewer hydrogen
atoms than the corresponding alkane
What is the IUPAC name of the nine-carbon continuous-chain alkane?
A. hexane
B. heptane
C. octane
D. nonane
E. decane - ✓✓ Correct: D. nonane
What type of compound is CH3-CH2--CH2Br
A. alkane
B. cycloalkane
C. isomer
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D. branched alkane
E. haloalkane - ✓✓ Correct: E. haloalkane
According to the IUPAC convention, alkyl group names should be located ________ of the name of the main
chain.
A. at the end
B. in front
C. in the middle - ✓✓ Correct: B. in front
According to the IUPAC convention, alkyl substituents on a hydrocarbon chain should be listed in which order?
A. in order with the substituent having the largest number of carbons first
B. alphabetical including prefixes
C. in order with the substituent having the smallest number of carbons first
D. alphabetical without considering prefixes
E. in order with the substituent having the largest total number of carbons first - ✓✓ Correct: D. alphabetical
without considering prefixes
Compounds that have the same molecular formula but different arrangements of atoms are called ________.
A. isotopes
B. indicators
C. isometrics
D. isomers
E. isozymes - ✓✓ Correct: D. isomers
A hydrocarbon contains only the elements ________.
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A. carbon and hydrogen
B. hydrogen and oxygen
C. carbon, hydrogen, and oxygen
D. carbon and oxygen
E. carbon, hydrogen, and nitrogen - ✓✓ Correct: A. carbon and hydrogen
Which of the following compounds could have the molecular formula C7H16?
Select one:
A. 2-methylheptane
B. hexane
C. 2,3-dimethylpentane
D. 3-ethylhexane
E. pentane - ✓✓ Correct: C. 2,3-dimethylpentane
What is the name for a three-carbon saturated alkyl group?
Select one:
A. methyl
B. ethyl
C. propyl
D. butyl
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E. pentyl - ✓✓ Correct: C. propyl
What is(are) the product(s) of the complete combustion of any hydrocarbon?
Select one:
A. CO only
B. CO2 + H2O
C. CO + H2O
D. H2O only
E. CO2 only - ✓✓ Correct: B. CO2 + H2O
The complete combustion of 1 mole of pentane, C5H12, will require how many moles of oxygen, O2?
Select one:
A. 1 mole
B. 2 moles
C. 5 moles
D. 6 moles
E. 8 moles - ✓✓ Correct: E. 8 moles
An alkene is an organic compound that contains a ________ bond.
Select one:
A. single
B. triple
C. hydrogen
