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Chapter 3: Q.3-41P (page 122)

Convert the following Newman projections to skeletal structures and name them.

Short Answer

Expert verified
  1. 3-ethyl-pentan-2-ol

b. 2,2 dimethyl-pentanamine

Step by step solution

01

Definition of skeletal structure and the concept of IUPAC naming

Skeletal structures are only the lines where all the atoms are represented other than carbon in a ring, branch, or chain.

We canwrite the IUPACname of the compound by using the following rules andtheseare as follows.

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.

Functionalgroupsshould be written in alphabeticalorder, meaningif there is a methyl and ethyl group,put the ethylgroup at 1st as e comes earlier than m in Alphabets

02

Subpart (a) Estimation of the first skeletal structure and its naming

The step-by-step conversion from Newman projection to skeletal projection is

The name of the structure is 3-ethyl-pentan-2-ol.

03

Subpart (b) Estimation of the second skeletal structure and its naming

Here, the step-by-step conversion from Newman projection to skeletal projection is

The name of the compound is 2,2 dimethyl-pentanamine.

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Most popular questions from this chapter

Rank the following compounds from highest boiling to lowest boiling:

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

Predict the approximate size of the following bond angles.

a. the C-O-C bond angle in an ether

b. the C-N-C bond angle in a secondary amine

c. the C-O-H bond angle in an alcohol

d. the C-N-C bond angle in a quaternary ammonium salt

What is each compound鈥檚 systematic name?

Question: Using the data obtained in Problem 81, calculate the percentage of molecules of trans-1,2-dimethylcyclohexane that will have both methyl groups in

equatorial positions.
See all solutions

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