The structure for trans-2-pentene has to be drawn. 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. Geometric isomers of Alkenes : Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer. Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

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Answer 1

Question

Chapter 24, Problem 24.28QP

a)

Interpretation Introduction

Interpretation:

The structure for trans-2-pentene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

b)

Interpretation Introduction

Interpretation:

The structure for 2-ethyl-1-butene has to be drawn.

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)

Interpretation Introduction

Interpretation:

The structure for 4-ethyl-trans-2-heptene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

d)

Interpretation Introduction

Interpretation:

The structure for 3-phenyl-butyne has to be drawn.

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.

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Draw complete structural diagrams of the following compounds. (a) 2-methyl,pent-2-ene (b) propyne (c) 2,3-dimethyl butane (d) cycloheptane

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Answer 2

Question

Chapter 24, Problem 24.28QP

a)

Interpretation Introduction

Interpretation:

The structure for trans-2-pentene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

b)

Interpretation Introduction

Interpretation:

The structure for 2-ethyl-1-butene has to be drawn.

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)

Interpretation Introduction

Interpretation:

The structure for 4-ethyl-trans-2-heptene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

d)

Interpretation Introduction

Interpretation:

The structure for 3-phenyl-butyne has to be drawn.

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.

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Answer 3

Question

Chapter 24, Problem 24.28QP

a)

Interpretation Introduction

Interpretation:

The structure for trans-2-pentene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

b)

Interpretation Introduction

Interpretation:

The structure for 2-ethyl-1-butene has to be drawn.

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)

Interpretation Introduction

Interpretation:

The structure for 4-ethyl-trans-2-heptene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

d)

Interpretation Introduction

Interpretation:

The structure for 3-phenyl-butyne has to be drawn.

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.

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Answer 4

Question

Chapter 24, Problem 24.28QP

a)

Interpretation Introduction

Interpretation:

The structure for trans-2-pentene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

b)

Interpretation Introduction

Interpretation:

The structure for 2-ethyl-1-butene has to be drawn.

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)

Interpretation Introduction

Interpretation:

The structure for 4-ethyl-trans-2-heptene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

d)

Interpretation Introduction

Interpretation:

The structure for 3-phenyl-butyne has to be drawn.

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.

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Answer 5

Chapter 24, Problem 24.28QP

a)

Interpretation Introduction

Interpretation:

The structure for trans-2-pentene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

b)

Interpretation Introduction

Interpretation:

The structure for 2-ethyl-1-butene has to be drawn.

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)

Interpretation Introduction

Interpretation:

The structure for 4-ethyl-trans-2-heptene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

d)

Interpretation Introduction

Interpretation:

The structure for 3-phenyl-butyne has to be drawn.

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.

Answer 6

Chapter 24, Problem 24.28QP

a)

Interpretation Introduction

Interpretation:

The structure for trans-2-pentene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

Answer 7

Chapter 24, Problem 24.28QP

a)

Interpretation Introduction

Interpretation:

The structure for trans-2-pentene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

Answer 8

b)

Interpretation Introduction

Interpretation:

The structure for 2-ethyl-1-butene has to be drawn.

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.

Answer 9

b)

Interpretation Introduction

Interpretation:

The structure for 2-ethyl-1-butene has to be drawn.

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.

Answer 10

c)

Interpretation Introduction

Interpretation:

The structure for 4-ethyl-trans-2-heptene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

Answer 11

c)

Interpretation Introduction

Interpretation:

The structure for 4-ethyl-trans-2-heptene has to be drawn.

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.

Geometric isomers of Alkenes:

Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.

Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.

Answer 12

d)

Interpretation Introduction

Interpretation:

The structure for 3-phenyl-butyne has to be drawn.

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.

Answer 13

d)

Interpretation Introduction

Interpretation:

The structure for 3-phenyl-butyne has to be drawn.

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.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 24.2 - How many structural isomers are there in the...Ch. 24.2 - Prob. 2PE Ch. 24.2 - Prob. 3PE Ch. 24.2 - Prob. 4PE Ch. 24.2 - Prob. 1RCF Ch. 24.2 - For which of the following compounds are cis-trans...Ch. 24.3 - Prob. 1RCF Ch. 24.4 - Prob. 5PE Ch. 24.4 - Prob. 1RCF Ch. 24 - Prob. 24.1QP

Solution Summary: The author explains the structure of 2-ethyl-1-butene.

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Chapter 24 Solutions