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Chapter 3: Q20 E-c (page 88)

Give IUPAC names for the following alkanes, and convert each drawing

into a skeletal structure.

Short Answer

Expert verified

(c) The IUPAC name of the structure is 2,2,4-Trimethylpentane.

Step by step solution

01

IUPAC nomenclature

Alkanes comprise a name ending with ‘ane’. Those comprising unbranched carbon chain are provided name according to the count of carbons in them.

02

IUPAC name and skeletal structure of compound c

(c)The longest carbon chain comprises five carbon atoms and is named pentane. The second carbon comprises two methyl groups and the fourth carbon atom has one methyl group. The IUPAC name of the compound is 2,2,4-Trimethylpentane. The skeletal structure can be given as:

Skeletal structure of compound c

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Most popular questions from this chapter

Draw structures of alkanes that meet the following descriptions:

(a) An alkane with two tertiary carbons

Draw a compound that:

  1. Has only primary and tertiary carbons
  2. Has no secondary or tertiary carbons
  3. Has four secondary carbons

Question: Give the IUPAC name for the following hydrocarbon, and convert the drawing into a skeletal structure.

For each of the following compounds, draw an isomer that has the same functional group.

a.

b.

c.

d.

e.

f.

Increased substitution around a bond leads to increased strain. Take the four substituted butanes listed below, for example. For each compound, sight along the C2–C3 bond and draw Newman projections of the most stable and least stable conformations. Use the data in Table 3-5 to assign strain-energy values to each conformation. Which of the eight conformations is most strained? Which is least strained?

(a) 2-Methylbutane

(b) 2,2-Dimethylbutane

(c) 2,3-Dimethylbutane

(d) 2,2,3-Trimethylbutane
See all solutions

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