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Name the following compounds:

Short Answer

Expert verified

The name of the compounds is,

a) 4-bromo-5-ethyl-decan-6-ol

b) 5-chloro-3-ethyl-2,7-dimethyl-nonane

c) 7,7-dimethyl-pentan-3-ol

Step by step solution

01

Rules of IUPAC nomenclature

There are some rules to be followed for the naming of a structure and these are given as follows,

  1. Finding the longest chain.
  2. Numbering the chain according to the priority order of double bond, triple bond, and functional group.
  3. The functional group should be written in alphabetical order means if there is a methyl and an ethyl group, put the ethyl group at first as e comes earlier than m in alphabets.
  4. Among two or more functional groups, the name of the compounds will be based on that group that has higher priority.
  5. If the numbering of halogen and alkyl groups from each side is the same, priority would be from that direction which has the group with the nearest letter of the A alphabet. For example; If there is butyl and a chloro group, as b comes first then c, the numbering will be from the butyl group.
02

IUPAC names of the given compounds

The systematic names are given below, using the IUPAC rules. First, the longest chain is considered and the position of the functional group, and then it is written in alphabetical order.

03

Subpart (a) The name of the compound a. 

The name of the compound is 4-bromo-5-ethyl-decan-6-olas shown below.

04

Subpart (b) The name of the compound b.

The name of the compound is 5-chloro-3-ethyl-2,7-dimethyl-nonane as shown below.

05

Subpart (c) The name of the compound c.

The name of the compound is 7,7-dimethyl-pentan-3-olas shown below.

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Most popular questions from this chapter

Which has

a. the higher boiling point: 1-bromopentane or 1-bromohexane?

b. the higher boiling point: pentyl chloride or isopentyl chloride?

c. the greater solubility in water: 1-butanol or 1-pentanol?

d. the higher boiling point: 1-hexanol or 1-methoxypentane?

e. the higher melting point: hexane or isohexane?

f. the higher boiling point: 1-chloropentane or 1-pentanol?

g. the higher boiling point: 1-bromopentane or 1-chloropentane?

h. the higher boiling point: diethyl ether or butyl alcohol?

i. the greater density: heptane or octane?

j. the higher boiling point: isopentyl alcohol or isopentylamine?

k. the higher boiling point: hexylamine or dipropylamine?

  1. Draw all the staggered and eclipsed conformers that result from rotation about the C-2_ C-3bond of pentane.
  2. Draw a potential-energy diagram for rotation about the C-2_C-3bond of pentane through 3600, starting with the least stable conformer.

Draw skeletal structures for the following:

a. 5-ethyl-2-methyloctane

b. 1,3-dimethylcyclohexane

c. 2,3,3,4-tetramethylheptane

d. propyl cyclopentane

e. 2-methyl-4-(1-methylethyl) octane

f. 2,6-dimethyl-4-(2-methylpropyl)decane

Draw a condensed structure and a skeletal structure for each of the following:

a. sec-butyl tert-butyl ether

b. isoheptyl alcohol

c. sec-butylamine

d. isopentyl bromide

e. 5-(1-methylethyl)nonane

f. triethylamine

g. 4-(1,1-dimethylethyl)heptane

h. 5,5-dibromo-2-methyloctane

i. 3-ethoxy-2-methylhexane

j. 5-(1,2-dimethylpropyl)nonane

k. 3,4-dimethyloctane

l. 5-isopentyldecane

a. Which of the following compounds forms hydrogen bonds between its molecules?

1. CH3CH2OCH2CH2OH 3. CH3CH2CH2CH2Br 5. CH3CH2CH2COOH

2. CH3CH2N(CH3)2 4. CH3CH2CH2NHCH3 6. CH3CH2CH2CH2F

b. Which of the preceding compounds forms hydrogen bonds with a solvent such as ethanol?

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