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Chapter 4: Q.42. (page 128)

Question: Give the IUPAC name for each compound.

Short Answer

Expert verified

Answer

  1. 4-isopropylheptane
  2. 3-ethyl-3-methylpentane
  3. 4,4-diethyl-5-methyloctane

Step by step solution

01

Newman projection

The two bonded carbons show a Newman projection with their groups.

02

IUPAC names

a. The given Newman structure has two bonded carbon atoms. The first priority is given to that carbon where the tri substitution of the carbon is located. Therefore, the correct name and structure are shown as:


4-isopropylheptane

b. The given Newman structure has two bonded carbon atoms. The first priority is given to that carbon where the tri substitution of the carbon is located. Therefore, the correct name and structure are shown as:

3-ethyl-3-methylpentane

c. The given Newman structure has two bonded carbon atoms. The first priority is given to that carbon where the bulky substituents are located. Therefore, the correct name and structure are shown as:

4,4-diethyl-5-methyloctane

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Most popular questions from this chapter

Question: Pristane is a high molecular weight alkane present in shark liver oil, a lipid used as a folk remedy and lubricant by coastal societies in northern Europe for centuries. What is the IUPAC name for pristane?

Pristane

Question: Label the sites of torsional and steric strain in each conformation.

a.

b.

c.

Question: Arrange the following compounds in order of increasing boiling point.

Question: Draw the staggered and eclipsed conformations that result from rotation around the C-C bond in CH3-CH2Br.

Question: Draw the structure for each compound using wedges and dashed wedges.

  1. cis-1,2-dimethylcyclopropane
  2. trans-1-ethyl-2-methylcyclopentane
See all solutions

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