D. has two fewer carbon atoms than the corresponding alkane
E. has two fewer hydrogen atoms than the corresponding alkane: E. has two
fewer hydrogen atoms than the corresponding alkane
2. What is the IUPAC name of the nine-carbon continuous-chain alkane?
A. hexane
B. heptane
C. octane
D. nonane
E. decane: D. nonane
3. What type of compound is CH3-CH2--CH2Br
A. alkane
B. cycloalkane
,C. isomer
D. branched alkane
E. haloalkane: E. haloalkane
4. 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: B. in front
5. 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: D. alphabetical without considering prefixes
6. Compounds that have the same molecular formula but different
arrangements of atoms are called ________.
A. isotopes
B. indicators
C. isometrics
,D. isomers
E. isozymes: D. isomers
7. A hydrocarbon contains only the elements ________.
A. carbon and hydrogen
B. hydrogen and oxygen
C. carbon, hydrogen, and oxygen
D. carbon and oxygen
E. carbon, hydrogen, and nitrogen: A. carbon and hydrogen
8. 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: C. 2,3-dimethylpentane
9. What is the name for a three-carbon saturated alkyl group?
Select one:
A. methyl
B. ethyl
C. propyl
, D. butyl
E. pentyl: C. propyl
10. 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: B. CO2 + H2O
11. 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: E. 8 moles
12. An alkene is an organic compound that contains a ________ bond.
Select one:
A. single
B. triple
C. hydrogen
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