General Chemistry
General Chemistry
7th Edition
ISBN: 9780073402758
Author: Chang, Raymond/ Goldsby
Publisher: McGraw-Hill College
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Chapter 11, Problem 11.28QP

(a)

Interpretation Introduction

Interpretation:

The given structure has to be named.

Concept introduction:

IUPAC Nomenclature:

  • The longest continuous chain of carbon atoms is identified.
  • The substituent groups attached to the parent chain is identified. A substituent group contains group of atoms attached to the carbon atom of the chain.
  • While numbering the longest chain, the substituent should get least possible number.
  • Write the name of the compound; the parent name written as last part of the name. The name of the substituents is written as prefix and a hypen separates the number that the substituents attached with carbon. More than one substituent should be written in alphabetical order.

(a)

Expert Solution
Check Mark

Explanation of Solution

Given structure:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  1

Predict the longest continuous chain of carbon atoms:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  2

The longest continuous carbon chain of carbon atoms contains five carbons and the parent name is PENTANE. The Suffix ‘ane’ represents the structure contains only single bonds.

Predict substituents and its location:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  3

At each Carbon of 2 one methyl group is present. Hence, the structure containing one substituents, then prefix ‘2-methyl’ is added before the parent name. Hyphen separates the number that the substituent attached with carbon.

IUPAC name: 2-methylpentane.

(b)

Interpretation Introduction

Interpretation:

The given structure has to be named.

Concept introduction:

IUPAC Nomenclature:

  • The longest continuous chain of carbon atoms is identified.
  • The substituent groups attached to the parent chain is identified. A substituent group contains group of atoms attached to the carbon atom of the chain.
  • While numbering the longest chain, the substituent should get least possible number.
  • Write the name of the compound; the parent name written as last part of the name. The name of the substituents is written as prefix and a hypen separates the number that the substituents attached with carbon. More than one substituent should be written in alphabetical order.

(b)

Expert Solution
Check Mark

Explanation of Solution

Given structure:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  4

Predict the longest continuous chain of carbon atoms:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  5

The longest continuous carbon chain of carbon atoms contains six carbons and the parent name is Hexane. The Suffix ‘ane’ represents the structure contains only single bonds.  At each carbon of 2, 3, and 4 one methyl group is present. Hence, the structure containing three identical substituents, then prefix ‘2,3,4 -trimethyl’ is added before the parent name. Hyphen separates the number that the substituent attached with carbon.

IUPAC name: 2,3,4 -trimethylhexane.

(c)

Interpretation Introduction

Interpretation:

The given structure has to be named.

Concept introduction:

IUPAC Nomenclature:

  • The longest continuous chain of carbon atoms is identified.
  • The substituent groups attached to the parent chain is identified. A substituent group contains group of atoms attached to the carbon atom of the chain.
  • While numbering the longest chain, the substituent should get least possible number.
  • Write the name of the compound; the parent name written as last part of the name. The name of the substituents is written as prefix and a hyphen separates the number that the substituents attached with carbon. More than one substituent should be written in alphabetical order.

(c)

Expert Solution
Check Mark

Explanation of Solution

Given structure:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  6

Predict the longest continuous chain of carbon atoms:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  7

The longest continuous carbon chain of carbon atoms contains six carbons and the parent name is HEXANE. The Suffix ‘ane’ represents the structure contains only single bonds.

Predict substituents and its location:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  8

At each Carbon of  3 one ethyl group is present. Hence, the structure containing one substituent, then prefix ‘3-ethyl’ is added before the parent name. Hyphen separates the number that the substituent attached with carbon.

IUPAC name: 3-ethylhexane.

(d)

Interpretation Introduction

Interpretation:

The given structure has to be named.

Concept introduction:

IUPAC Nomenclature:

  • The longest continuous chain of carbon atoms is identified.
  • The substituent groups attached to the parent chain is identified. A substituent group contains group of atoms attached to the carbon atom of the chain.
  • While numbering the longest chain, the substituent should get least possible number.
  • Write the name of the compound; the parent name written as last part of the name by replacing ‘ane’ to ‘ene’. The name of the substituents is written as prefix and a hyphen separates the number that the substituents attached with carbon. More than one substituent should be written in alphabetical order.

(d)

Expert Solution
Check Mark

Explanation of Solution

Given structure:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  9

Predict the longest continuous chain of carbon atoms:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  10

The longest continuous carbon chain of carbon atoms contains five carbons and the parent name is 1-PENTENE. Because the double bond in first carbon atom.

Predict substituents and its location:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  11

At each Carbon of 3 one bromine group is present. Hence, the structure containing one substituent, then prefix ‘3-bromo’ is added before the parent name. Hyphen separates the number that the substituent attached with carbon.

IUPAC name: 3-bromo-1-pentene.

(e)

Interpretation Introduction

Interpretation:

The given structure has to be named.

Concept introduction:

IUPAC Nomenclature:

  • The longest continuous chain of carbon atoms is identified.
  • The substituent groups attached to the parent chain is identified. A substituent group contains group of atoms attached to the carbon atom of the chain.
  • While numbering the longest chain, the substituent should get least possible number.
  • Write the name of the compound; the parent name written as last part of the name by replacing ‘ane’ to ‘yne’. The name of the substituents is written as prefix and a hypen separates the number that the substituents attached with carbon. More than one substituent should be written in alphabetical order.

(e)

Expert Solution
Check Mark

Explanation of Solution

Given structure:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  12

Predict the longest continuous chain of carbon atoms:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  13

The longest continuous carbon chain of carbon atoms contains five carbons and the parent name is PENT-2-YNE. The Suffix ‘2-yne’ represents the structure contains one triple bond at C-2.

Predict substituents and its location:

General Chemistry, Chapter 11, Problem 11.28QP , additional homework tip  14

No substituents present and no prefix can be written. Hence, the name is,

IUPAC name: Pent-2-yne.

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Chapter 11 Solutions

General Chemistry

Ch. 11 - Prob. 11.2QPCh. 11 - Prob. 11.3QPCh. 11 - 11.4 What are structural isomers? Ch. 11 - Prob. 11.5QPCh. 11 - 11.6 Draw skeletal structures of the boat and...Ch. 11 - 11.7 Alkenes exhibit geometric isomerism because...Ch. 11 - 11.8 Why is it that alkanes and alkynes, unlike...Ch. 11 - Prob. 11.9QPCh. 11 - 11.10 Describe reactions that are characteristic...Ch. 11 - Prob. 11.11QPCh. 11 - Prob. 11.12QPCh. 11 - Prob. 11.13QPCh. 11 - Prob. 11.14QPCh. 11 - Prob. 11.15QPCh. 11 - Prob. 11.16QPCh. 11 - Prob. 11.17QPCh. 11 - 11.18 Draw Newman projections of four different...Ch. 11 - 11.19 Draw the structures of cis-2-butene and...Ch. 11 - 11.20 Would you expect cyclobutadiene to be a...Ch. 11 - Prob. 11.21QPCh. 11 - Prob. 11.22QPCh. 11 - 11.23 Sulfuric acid (H2SO4) adds to the double...Ch. 11 - Prob. 11.24QPCh. 11 - Prob. 11.25QPCh. 11 - Prob. 11.26QPCh. 11 - Prob. 11.27QPCh. 11 - Prob. 11.28QPCh. 11 - Prob. 11.29QPCh. 11 - 11.30 Benzene and cyclohexane both contain...Ch. 11 - Prob. 11.31QPCh. 11 - Prob. 11.32QPCh. 11 - Prob. 11.33QPCh. 11 - Prob. 11.34QPCh. 11 - Prob. 11.35QPCh. 11 - Prob. 11.36QPCh. 11 - Prob. 11.37QPCh. 11 - Prob. 11.38QPCh. 11 - Prob. 11.39QPCh. 11 - Prob. 11.40QPCh. 11 - Prob. 11.41QPCh. 11 - Prob. 11.42QPCh. 11 - Prob. 11.43QPCh. 11 - Prob. 11.44QPCh. 11 - Prob. 11.45QPCh. 11 - Prob. 11.46QPCh. 11 - Prob. 11.47QPCh. 11 - Prob. 11.48QPCh. 11 - Prob. 11.49QPCh. 11 - Prob. 11.50QPCh. 11 - Prob. 11.51QPCh. 11 - Prob. 11.52QPCh. 11 - Prob. 11.53QPCh. 11 - Prob. 11.54QPCh. 11 - Prob. 11.55QPCh. 11 - Prob. 11.56QPCh. 11 - Prob. 11.57QPCh. 11 - Prob. 11.58QPCh. 11 - Prob. 11.59QPCh. 11 - Prob. 11.60QPCh. 11 - Prob. 11.61QPCh. 11 - Prob. 11.62QPCh. 11 - Prob. 11.63QPCh. 11 - Prob. 11.64QPCh. 11 - Prob. 11.65QPCh. 11 - Prob. 11.66QPCh. 11 - Prob. 11.67QPCh. 11 - Prob. 11.68QPCh. 11 - Prob. 11.69QPCh. 11 - Prob. 11.70QPCh. 11 - Prob. 11.71QPCh. 11 - Prob. 11.72QPCh. 11 - 11.73 Octane number is assigned to gasoline to...Ch. 11 - Prob. 11.74SPCh. 11 - Prob. 11.75SPCh. 11 - Prob. 11.76SPCh. 11 - Prob. 11.77SPCh. 11 - Prob. 11.78SP
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