The seven isomeric alkynes (constitutional isomers) having molecular formula C 6 H 10 is to be drawn. and the IUPAC name for each compound is to be given. Concept introduction: Alkynes are an unsaturated hydrocarbon having at least one carbon-carbon triple bond. The general formula of alkynes is C n H 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. In alkynes the σ bond is formed by the end-on-overlap of the two sp hybrid orbitals. Subsequently, the π bond is formed by side-by-side overlap of two 2p orbitals. Notably, constitutional isomers differ in the order in which the atoms are connected.

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Answer 1

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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 .

Chapter 11, Problem 11.27P

Interpretation Introduction

Interpretation: The seven isomeric alkynes (constitutional isomers) having molecular formula C₆H₁₀ is to be drawn. and the IUPAC name for each compound is to be given.

Concept introduction: Alkynes are an unsaturated hydrocarbon having at least one carbon-carbon triple bond. The general formula of alkynes is 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. In alkynes the σ bond is formed by the end-on-overlap of the two sp hybrid orbitals. Subsequently, the π bond is formed by side-by-side overlap of two 2p orbitals. Notably, constitutional isomers differ in the order in which the atoms are connected.

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Answer 2

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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 .

Chapter 11, Problem 11.27P

Interpretation Introduction

Interpretation: The seven isomeric alkynes (constitutional isomers) having molecular formula C₆H₁₀ is to be drawn. and the IUPAC name for each compound is to be given.

Concept introduction: Alkynes are an unsaturated hydrocarbon having at least one carbon-carbon triple bond. The general formula of alkynes is 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. In alkynes the σ bond is formed by the end-on-overlap of the two sp hybrid orbitals. Subsequently, the π bond is formed by side-by-side overlap of two 2p orbitals. Notably, constitutional isomers differ in the order in which the atoms are connected.

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Answer 3

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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 .

Chapter 11, Problem 11.27P

Interpretation Introduction

Interpretation: The seven isomeric alkynes (constitutional isomers) having molecular formula C₆H₁₀ is to be drawn. and the IUPAC name for each compound is to be given.

Concept introduction: Alkynes are an unsaturated hydrocarbon having at least one carbon-carbon triple bond. The general formula of alkynes is 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. In alkynes the σ bond is formed by the end-on-overlap of the two sp hybrid orbitals. Subsequently, the π bond is formed by side-by-side overlap of two 2p orbitals. Notably, constitutional isomers differ in the order in which the atoms are connected.

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Answer 4

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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 .

Chapter 11, Problem 11.27P

Interpretation Introduction