(a) Interpretation: The mechanism of reduction from 1 − alkynes to alkenes and its acidity are to be stated. Concept introduction: The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are saturated and unsaturated hydrocarbons . Unsaturated hydrocarbon compound are of two types alkenes and alkynes . The alkene contains a double bond between two carbon atoms. The alkynes contain a triple bond between two carbon atoms and follow general formula C n H 2 n - 2 . For example, HC ≡ CH . It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix − y n e .

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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 14, Problem 14.40AP

Interpretation Introduction

(a)

Interpretation:

The mechanism of reduction from 1−alkynes to alkenes and its acidity are to be stated.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contain a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

Interpretation Introduction

(b)

Interpretation:

The reason for complete conversion of 1−alkynes into alkenes when (NH4)2SO4 is added is to be explained.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are Saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contains a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

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Drawing on what you know about the stereochemistry of alkene addition reactions, a. write the mechanism for the reaction of 2-butyne with one equivalent of Br2. b. predict the configuration of the product of the reaction.

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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 14, Problem 14.40AP

Interpretation Introduction

(a)

Interpretation:

The mechanism of reduction from 1−alkynes to alkenes and its acidity are to be stated.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contain a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

Interpretation Introduction

(b)

Interpretation:

The reason for complete conversion of 1−alkynes into alkenes when (NH4)2SO4 is added is to be explained.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are Saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contains a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

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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 14, Problem 14.40AP

Interpretation Introduction

(a)

Interpretation:

The mechanism of reduction from 1−alkynes to alkenes and its acidity are to be stated.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contain a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

Interpretation Introduction

(b)

Interpretation:

The reason for complete conversion of 1−alkynes into alkenes when (NH4)2SO4 is added is to be explained.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are Saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contains a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

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Answer 4

Question

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 14, Problem 14.40AP

Interpretation Introduction

(a)

Interpretation:

The mechanism of reduction from 1−alkynes to alkenes and its acidity are to be stated.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contain a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

Interpretation Introduction

(b)

Interpretation:

The reason for complete conversion of 1−alkynes into alkenes when (NH4)2SO4 is added is to be explained.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are Saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contains a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

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Answer 5

Chapter 14, Problem 14.40AP

Interpretation Introduction

(a)

Interpretation:

The mechanism of reduction from 1−alkynes to alkenes and its acidity are to be stated.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contain a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

Interpretation Introduction

(b)

Interpretation:

The reason for complete conversion of 1−alkynes into alkenes when (NH4)2SO4 is added is to be explained.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are Saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contains a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

Answer 6

Chapter 14, Problem 14.40AP

Interpretation Introduction

(a)

Interpretation:

The mechanism of reduction from 1−alkynes to alkenes and its acidity are to be stated.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contain a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

Answer 7

Chapter 14, Problem 14.40AP

Interpretation Introduction

(a)

Interpretation:

The mechanism of reduction from 1−alkynes to alkenes and its acidity are to be stated.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contain a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The reason for complete conversion of 1−alkynes into alkenes when (NH4)2SO4 is added is to be explained.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are Saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contains a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The reason for complete conversion of 1−alkynes into alkenes when (NH4)2SO4 is added is to be explained.

Concept introduction:

The compounds that contain carbon and hydrogen atoms are known as hydrocarbon compounds. These compounds originate from plants and animals. These are also known as organic compounds. There are two classes of hydrocarbon compounds which are Saturated and unsaturated hydrocarbons. Unsaturated hydrocarbon compound are of two types alkenes and alkynes. The alkene contains a double bond between two carbon atoms. The alkynes contains a triple bond between two carbon atoms and follow general formula CnH2n-2. For example, HC≡CH. It is the smallest member of the alkynes class of compounds. The name of the alkyne compounds ends with suffix −yne.

Answer 10

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Answer 13

Ch. 14 - Prob. 14.1P Ch. 14 - Prob. 14.2P Ch. 14 - Prob. 14.3P Ch. 14 - Prob. 14.4P Ch. 14 - Prob. 14.5P Ch. 14 - Prob. 14.6P Ch. 14 - Prob. 14.7P Ch. 14 - Prob. 14.8P Ch. 14 - Prob. 14.9P Ch. 14 - Prob. 14.10P

Solution Summary: The author explains the mechanism of reduction from 1-alkynes to alkenes and its acidity.

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