
Concept explainers
a.
Interpretation:The given is to be named.
Concept Introduction: The naming of carbon compounds is done according to IUPAC principles.
a.

Answer to Problem 8RQ
The name of the given alkane is 2-ethylhexane.
Explanation of Solution
The main carbon chain is six atoms long, so the primary name becomes hexane. The ethyl group is attached on the second carbon which adds the 2-ethyl prefix.
b.
Interpretation:The given alkane is to be named.
Concept Introduction: The naming of carbon compounds is done according to IUPAC principles.
b.

Answer to Problem 8RQ
The name of the given alkane is 2,3-dimethylbutane.
Explanation of Solution
The main carbon chain is four atoms long, so the primary name becomes butane. Two methyl groupsare attached on the second and third carbon which adds the 2,3-dimethyl prefix.
c.
Interpretation:The given alkane is to be named.
Concept Introduction: The naming of carbon compounds is done according to IUPAC principles.
c.

Answer to Problem 8RQ
The name of the given alkane is 2,3-dimethylbutane.
Explanation of Solution
The main carbon chain is four atoms long, so the primary name becomes butane. Two methyl groups are attached on the second and third carbon which adds the 2,3-dimethyl prefix.
d.
Interpretation:The given alkane is to be named.
Concept Introduction: The naming of carbon compounds is done according to IUPAC principles.
d.

Answer to Problem 8RQ
The name of the given alkane is 2,3,4-trimethylheptane.
Explanation of Solution
The main carbon chain is seven atoms long, so the primary name becomes butane. Two methyl groups are attached on the second and third carbon which adds the 2,3-dimethyl prefix.
Chapter 20 Solutions
World of Chemistry
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