Draw structures for the three alkynes having molecular formula C 5 H 8 and classify each as an internal or terminal alkyne.

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Answer 1

Textbook Question

Chapter 11, Problem 11.1P

Draw structures for the three alkynes having molecular formula C₅H₈ and classify each as an internal or terminal alkyne.

Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Expert Solution

Interpretation Introduction

Interpretation: The three alkynes having molecular formula C₅H₈ is to be drawn and each is to be classified as an internal or terminal alkyne.

Concept Introduction: Alkynes are an unsaturated hydrocarbon having at least one carbon-carbon triple bond. The general formula of alkynes are C_nH_2n-2. The simplest hydrocarbon of alkyne family is acetylene having two carbon atom. Alkynes can be divided into the following two categories based on the position of triple bond; 1) internal alkyne 2) terminal alkyne. In internal alkynes there are no hydrogen atoms bonded to triply bonded carbon atoms. In terminal alkynes there is at least one hydrogen atom bonded to a triply bonded carbon atom.

Answer to Problem 11.1P

the internal and terminal alkynes of molecular formula C₅H₈ are as follows;

Organic Chemistry, Chapter 11, Problem 11.1P

Explanation of Solution

In pent-1-yne and 3-methyl but-1-yne the triple bond is at the terminal side of carbon having one -C-H group. Thus, they are called as terminal alkynes. In case of pent-2-yne the triple bond is in the middle of carbon having no free -C-H group. Thus, it is called as internal alkyne.

Conclusion

Thus, the alkynes of formula C₅H is drawn and named as an internal alkyne or terminal alkyne.

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Answer 2

Textbook Question

Chapter 11, Problem 11.1P

Draw structures for the three alkynes having molecular formula C₅H₈ and classify each as an internal or terminal alkyne.

Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Expert Solution

Interpretation Introduction

Interpretation: The three alkynes having molecular formula C₅H₈ is to be drawn and each is to be classified as an internal or terminal alkyne.

Concept Introduction: Alkynes are an unsaturated hydrocarbon having at least one carbon-carbon triple bond. The general formula of alkynes are C_nH_2n-2. The simplest hydrocarbon of alkyne family is acetylene having two carbon atom. Alkynes can be divided into the following two categories based on the position of triple bond; 1) internal alkyne 2) terminal alkyne. In internal alkynes there are no hydrogen atoms bonded to triply bonded carbon atoms. In terminal alkynes there is at least one hydrogen atom bonded to a triply bonded carbon atom.

Answer to Problem 11.1P

the internal and terminal alkynes of molecular formula C₅H₈ are as follows;

Organic Chemistry, Chapter 11, Problem 11.1P

Explanation of Solution

In pent-1-yne and 3-methyl but-1-yne the triple bond is at the terminal side of carbon having one -C-H group. Thus, they are called as terminal alkynes. In case of pent-2-yne the triple bond is in the middle of carbon having no free -C-H group. Thus, it is called as internal alkyne.

Conclusion

Thus, the alkynes of formula C₅H is drawn and named as an internal alkyne or terminal alkyne.

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Answer 3

Textbook Question

Chapter 11, Problem 11.1P

Draw structures for the three alkynes having molecular formula C₅H₈ and classify each as an internal or terminal alkyne.

Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Expert Solution

Interpretation Introduction

Interpretation: The three alkynes having molecular formula C₅H₈ is to be drawn and each is to be classified as an internal or terminal alkyne.

Concept Introduction: Alkynes are an unsaturated hydrocarbon having at least one carbon-carbon triple bond. The general formula of alkynes are C_nH_2n-2. The simplest hydrocarbon of alkyne family is acetylene having two carbon atom. Alkynes can be divided into the following two categories based on the position of triple bond; 1) internal alkyne 2) terminal alkyne. In internal alkynes there are no hydrogen atoms bonded to triply bonded carbon atoms. In terminal alkynes there is at least one hydrogen atom bonded to a triply bonded carbon atom.

Answer to Problem 11.1P

the internal and terminal alkynes of molecular formula C₅H₈ are as follows;

Organic Chemistry, Chapter 11, Problem 11.1P

Explanation of Solution

In pent-1-yne and 3-methyl but-1-yne the triple bond is at the terminal side of carbon having one -C-H group. Thus, they are called as terminal alkynes. In case of pent-2-yne the triple bond is in the middle of carbon having no free -C-H group. Thus, it is called as internal alkyne.

Conclusion

Thus, the alkynes of formula C₅H is drawn and named as an internal alkyne or terminal alkyne.

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Answer 4

Textbook Question

Chapter 11, Problem 11.1P

Draw structures for the three alkynes having molecular formula C₅H₈ and classify each as an internal or terminal alkyne.

Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Expert Solution

Interpretation Introduction

Interpretation: The three alkynes having molecular formula C₅H₈ is to be drawn and each is to be classified as an internal or terminal alkyne.

Concept Introduction: Alkynes are an unsaturated hydrocarbon having at least one carbon-carbon triple bond. The general formula of alkynes are C_nH_2n-2. The simplest hydrocarbon of alkyne family is acetylene having two carbon atom. Alkynes can be divided into the following two categories based on the position of triple bond; 1) internal alkyne 2) terminal alkyne. In internal alkynes there are no hydrogen atoms bonded to triply bonded carbon atoms. In terminal alkynes there is at least one hydrogen atom bonded to a triply bonded carbon atom.

Answer to Problem 11.1P

the internal and terminal alkynes of molecular formula C₅H₈ are as follows;

Organic Chemistry, Chapter 11, Problem 11.1P

Explanation of Solution

In pent-1-yne and 3-methyl but-1-yne the triple bond is at the terminal side of carbon having one -C-H group. Thus, they are called as terminal alkynes. In case of pent-2-yne the triple bond is in the middle of carbon having no free -C-H group. Thus, it is called as internal alkyne.

Conclusion

Thus, the alkynes of formula C₅H is drawn and named as an internal alkyne or terminal alkyne.

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Answer 5

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Answer 6

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Answer 7

Expert Solution

Interpretation Introduction

Interpretation: The three alkynes having molecular formula C₅H₈ is to be drawn and each is to be classified as an internal or terminal alkyne.

Concept Introduction: Alkynes are an unsaturated hydrocarbon having at least one carbon-carbon triple bond. The general formula of alkynes are C_nH_2n-2. The simplest hydrocarbon of alkyne family is acetylene having two carbon atom. Alkynes can be divided into the following two categories based on the position of triple bond; 1) internal alkyne 2) terminal alkyne. In internal alkynes there are no hydrogen atoms bonded to triply bonded carbon atoms. In terminal alkynes there is at least one hydrogen atom bonded to a triply bonded carbon atom.

Answer to Problem 11.1P

the internal and terminal alkynes of molecular formula C₅H₈ are as follows;

Organic Chemistry, Chapter 11, Problem 11.1P

Explanation of Solution

In pent-1-yne and 3-methyl but-1-yne the triple bond is at the terminal side of carbon having one -C-H group. Thus, they are called as terminal alkynes. In case of pent-2-yne the triple bond is in the middle of carbon having no free -C-H group. Thus, it is called as internal alkyne.

Conclusion

Thus, the alkynes of formula C₅H is drawn and named as an internal alkyne or terminal alkyne.

Answer 8

Expert Solution

Interpretation Introduction

Interpretation: The three alkynes having molecular formula C₅H₈ is to be drawn and each is to be classified as an internal or terminal alkyne.

Concept Introduction: Alkynes are an unsaturated hydrocarbon having at least one carbon-carbon triple bond. The general formula of alkynes are C_nH_2n-2. The simplest hydrocarbon of alkyne family is acetylene having two carbon atom. Alkynes can be divided into the following two categories based on the position of triple bond; 1) internal alkyne 2) terminal alkyne. In internal alkynes there are no hydrogen atoms bonded to triply bonded carbon atoms. In terminal alkynes there is at least one hydrogen atom bonded to a triply bonded carbon atom.

Answer to Problem 11.1P

the internal and terminal alkynes of molecular formula C₅H₈ are as follows;

Organic Chemistry, Chapter 11, Problem 11.1P

Explanation of Solution

In pent-1-yne and 3-methyl but-1-yne the triple bond is at the terminal side of carbon having one -C-H group. Thus, they are called as terminal alkynes. In case of pent-2-yne the triple bond is in the middle of carbon having no free -C-H group. Thus, it is called as internal alkyne.

Conclusion

Thus, the alkynes of formula C₅H is drawn and named as an internal alkyne or terminal alkyne.

Answer 9

Expert Solution

Answer 10

Expert Solution

Answer 11

Expert Solution

Answer 12

Interpretation Introduction

Interpretation: The three alkynes having molecular formula C₅H₈ is to be drawn and each is to be classified as an internal or terminal alkyne.

Concept Introduction: Alkynes are an unsaturated hydrocarbon having at least one carbon-carbon triple bond. The general formula of alkynes are C_nH_2n-2. The simplest hydrocarbon of alkyne family is acetylene having two carbon atom. Alkynes can be divided into the following two categories based on the position of triple bond; 1) internal alkyne 2) terminal alkyne. In internal alkynes there are no hydrogen atoms bonded to triply bonded carbon atoms. In terminal alkynes there is at least one hydrogen atom bonded to a triply bonded carbon atom.

Answer 13

Answer to Problem 11.1P

the internal and terminal alkynes of molecular formula C₅H₈ are as follows;

Organic Chemistry, Chapter 11, Problem 11.1P

Answer 14

Explanation of Solution

In pent-1-yne and 3-methyl but-1-yne the triple bond is at the terminal side of carbon having one -C-H group. Thus, they are called as terminal alkynes. In case of pent-2-yne the triple bond is in the middle of carbon having no free -C-H group. Thus, it is called as internal alkyne.