The structure, common name and systematic names for alkynes with molecular formula C 7 H 12 should be given. Concept Introduction: IUPAC NOMENCLATURE RULES: If the ‘ane’ ending of the alkane is replaced by ‘yne’ ending, the name of alkyne is obtained. Select the longest chain which contain the triple bond in such a way to get lowest value for the functional group. Two types of alkynes will be there according to the position of triple bond. Terminal alkyne is the one which contain triple bond at the end of the chain and internal alkyne is the one which contain triple bond not at the end but present in any other positions in the chain. When the counting is done from either sides of triple bond in a compound which contain same number for the functional group suffix, the correct name will be the one which have lowest substituent number. In the case of more than one substituent, alphabetical order should be followed. Skeletal structure: When the atoms bonded in a compound is drawn in a series it can be called as a skeletal structure. In the skeletal structure, we can show the branches, chains, rings or any other hetero atom other than carbon or hydrogen. Condensed structure: In the condensed structure, atoms or group of atoms are expressed in a line. But it does not contain any vertical bonds and also the horizontal single bonds.

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Answer 1

Question

Chapter 7, Problem 35P

(a)

Interpretation Introduction

Interpretation:

The structure, common name and systematic names for alkynes with molecular formula C7H12 should be given.

Concept Introduction:

IUPAC NOMENCLATURE RULES:

If the ‘ane’ ending of the alkane is replaced by ‘yne’ ending, the name of alkyne is obtained.

Select the longest chain which contain the triple bond in such a way to get lowest value for the functional group.

Two types of alkynes will be there according to the position of triple bond. Terminal alkyne is the one which contain triple bond at the end of the chain and internal alkyne is the one which contain triple bond not at the end but present in any other positions in the chain.

When the counting is done from either sides of triple bond in a compound which contain same number for the functional group suffix, the correct name will be the one which have lowest substituent number. In the case of more than one substituent, alphabetical order should be followed.

Skeletal structure: When the atoms bonded in a compound is drawn in a series it can be called as a skeletal structure. In the skeletal structure, we can show the branches, chains, rings or any other hetero atom other than carbon or hydrogen.

Condensed structure: In the condensed structure, atoms or group of atoms are expressed in a line. But it does not contain any vertical bonds and also the horizontal single bonds.

(b)

Interpretation Introduction

Interpretation:

The number of isomers possible if stereoisomers are included should be determined.

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Disregarding stereoisomers, draw the structures of all alkenes with molecular formula C5H10. Which ones can exist as cis–trans isomers?

Draw and name a constitutional isomer of C9H18 that has cis/trans isomers and is named a “3-hexene”. (Label your structure with the proper E/Z nomenclature).

1,4-Pentadiene (CH2=CH-CH2-CH=CH2) is a liquid at room temperature and has a density of 0.66 g/mL and molar mass of 68.12 g/mol. In a laboratory experiment, 3.80 mL of this compound was treated with 4.80 mL of conc. H2SO4 (100% w/w; molar mass 98.08 g/mol). Note that the density of conc. H2SO4 is 1.84 g/mL. The resulting sulfate ester was then treated with 1.20 mL of water (molar mass 18.02 g/mol) affording, after work- up, 2,4-pentanediol (molar mass 104.15 g/mol) as the crude product. The crude product was then purified by simple distillation, which yielded 2.00 g of pure product. What is the theoretical yield of 2,4-pentanediol expressed in grams? Show calculations. What is the percentage yield of pure 2,4-pentanediol?

Answer 2

Question

Chapter 7, Problem 35P

(a)

Interpretation Introduction

Interpretation:

The structure, common name and systematic names for alkynes with molecular formula C7H12 should be given.

Concept Introduction:

IUPAC NOMENCLATURE RULES:

If the ‘ane’ ending of the alkane is replaced by ‘yne’ ending, the name of alkyne is obtained.

Select the longest chain which contain the triple bond in such a way to get lowest value for the functional group.

Two types of alkynes will be there according to the position of triple bond. Terminal alkyne is the one which contain triple bond at the end of the chain and internal alkyne is the one which contain triple bond not at the end but present in any other positions in the chain.

When the counting is done from either sides of triple bond in a compound which contain same number for the functional group suffix, the correct name will be the one which have lowest substituent number. In the case of more than one substituent, alphabetical order should be followed.

Skeletal structure: When the atoms bonded in a compound is drawn in a series it can be called as a skeletal structure. In the skeletal structure, we can show the branches, chains, rings or any other hetero atom other than carbon or hydrogen.

Condensed structure: In the condensed structure, atoms or group of atoms are expressed in a line. But it does not contain any vertical bonds and also the horizontal single bonds.

(b)

Interpretation Introduction

Interpretation:

The number of isomers possible if stereoisomers are included should be determined.

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Answer 3

Question

Chapter 7, Problem 35P

(a)

Interpretation Introduction

Interpretation:

The structure, common name and systematic names for alkynes with molecular formula C7H12 should be given.

Concept Introduction:

IUPAC NOMENCLATURE RULES:

If the ‘ane’ ending of the alkane is replaced by ‘yne’ ending, the name of alkyne is obtained.

Select the longest chain which contain the triple bond in such a way to get lowest value for the functional group.

Two types of alkynes will be there according to the position of triple bond. Terminal alkyne is the one which contain triple bond at the end of the chain and internal alkyne is the one which contain triple bond not at the end but present in any other positions in the chain.

When the counting is done from either sides of triple bond in a compound which contain same number for the functional group suffix, the correct name will be the one which have lowest substituent number. In the case of more than one substituent, alphabetical order should be followed.

Skeletal structure: When the atoms bonded in a compound is drawn in a series it can be called as a skeletal structure. In the skeletal structure, we can show the branches, chains, rings or any other hetero atom other than carbon or hydrogen.

Condensed structure: In the condensed structure, atoms or group of atoms are expressed in a line. But it does not contain any vertical bonds and also the horizontal single bonds.

(b)

Interpretation Introduction

Interpretation:

The number of isomers possible if stereoisomers are included should be determined.

Expert Solution & Answer

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Answer 4

Question

Chapter 7, Problem 35P

(a)

Interpretation Introduction

Interpretation:

The structure, common name and systematic names for alkynes with molecular formula C7H12 should be given.

Concept Introduction:

IUPAC NOMENCLATURE RULES:

If the ‘ane’ ending of the alkane is replaced by ‘yne’ ending, the name of alkyne is obtained.

Select the longest chain which contain the triple bond in such a way to get lowest value for the functional group.

Two types of alkynes will be there according to the position of triple bond. Terminal alkyne is the one which contain triple bond at the end of the chain and internal alkyne is the one which contain triple bond not at the end but present in any other positions in the chain.

When the counting is done from either sides of triple bond in a compound which contain same number for the functional group suffix, the correct name will be the one which have lowest substituent number. In the case of more than one substituent, alphabetical order should be followed.

Skeletal structure: When the atoms bonded in a compound is drawn in a series it can be called as a skeletal structure. In the skeletal structure, we can show the branches, chains, rings or any other hetero atom other than carbon or hydrogen.

Condensed structure: In the condensed structure, atoms or group of atoms are expressed in a line. But it does not contain any vertical bonds and also the horizontal single bonds.

(b)

Interpretation Introduction

Interpretation:

The number of isomers possible if stereoisomers are included should be determined.

Expert Solution & Answer

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Answer 5

Chapter 7, Problem 35P

(a)

Interpretation Introduction

Interpretation:

The structure, common name and systematic names for alkynes with molecular formula C7H12 should be given.

Concept Introduction:

IUPAC NOMENCLATURE RULES:

If the ‘ane’ ending of the alkane is replaced by ‘yne’ ending, the name of alkyne is obtained.

Select the longest chain which contain the triple bond in such a way to get lowest value for the functional group.

Two types of alkynes will be there according to the position of triple bond. Terminal alkyne is the one which contain triple bond at the end of the chain and internal alkyne is the one which contain triple bond not at the end but present in any other positions in the chain.

When the counting is done from either sides of triple bond in a compound which contain same number for the functional group suffix, the correct name will be the one which have lowest substituent number. In the case of more than one substituent, alphabetical order should be followed.

Skeletal structure: When the atoms bonded in a compound is drawn in a series it can be called as a skeletal structure. In the skeletal structure, we can show the branches, chains, rings or any other hetero atom other than carbon or hydrogen.

Condensed structure: In the condensed structure, atoms or group of atoms are expressed in a line. But it does not contain any vertical bonds and also the horizontal single bonds.

(b)

Interpretation Introduction

Interpretation:

The number of isomers possible if stereoisomers are included should be determined.

Answer 6

Chapter 7, Problem 35P

(a)

Interpretation Introduction

Interpretation:

The structure, common name and systematic names for alkynes with molecular formula C7H12 should be given.

Concept Introduction:

IUPAC NOMENCLATURE RULES:

If the ‘ane’ ending of the alkane is replaced by ‘yne’ ending, the name of alkyne is obtained.

Select the longest chain which contain the triple bond in such a way to get lowest value for the functional group.

Two types of alkynes will be there according to the position of triple bond. Terminal alkyne is the one which contain triple bond at the end of the chain and internal alkyne is the one which contain triple bond not at the end but present in any other positions in the chain.

When the counting is done from either sides of triple bond in a compound which contain same number for the functional group suffix, the correct name will be the one which have lowest substituent number. In the case of more than one substituent, alphabetical order should be followed.

Skeletal structure: When the atoms bonded in a compound is drawn in a series it can be called as a skeletal structure. In the skeletal structure, we can show the branches, chains, rings or any other hetero atom other than carbon or hydrogen.

Condensed structure: In the condensed structure, atoms or group of atoms are expressed in a line. But it does not contain any vertical bonds and also the horizontal single bonds.

Answer 7

Chapter 7, Problem 35P

(a)

Interpretation Introduction

Interpretation:

The structure, common name and systematic names for alkynes with molecular formula C7H12 should be given.

Concept Introduction:

IUPAC NOMENCLATURE RULES:

If the ‘ane’ ending of the alkane is replaced by ‘yne’ ending, the name of alkyne is obtained.

Select the longest chain which contain the triple bond in such a way to get lowest value for the functional group.

Two types of alkynes will be there according to the position of triple bond. Terminal alkyne is the one which contain triple bond at the end of the chain and internal alkyne is the one which contain triple bond not at the end but present in any other positions in the chain.

When the counting is done from either sides of triple bond in a compound which contain same number for the functional group suffix, the correct name will be the one which have lowest substituent number. In the case of more than one substituent, alphabetical order should be followed.

Skeletal structure: When the atoms bonded in a compound is drawn in a series it can be called as a skeletal structure. In the skeletal structure, we can show the branches, chains, rings or any other hetero atom other than carbon or hydrogen.

Condensed structure: In the condensed structure, atoms or group of atoms are expressed in a line. But it does not contain any vertical bonds and also the horizontal single bonds.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The number of isomers possible if stereoisomers are included should be determined.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The number of isomers possible if stereoisomers are included should be determined.

Answer 10

Expert Solution & Answer

Answer 11

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Answer 12

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Answer 13

Ch. 7.1 - Prob. 1P Ch. 7.1 - Name the following:Ch. 7.1 - What is the molecular formula for a monocyclic...Ch. 7.1 - Draw the condensed and skeletal structures for...Ch. 7.1 - Draw the structure and give the common and...Ch. 7.2 - Prob. 6P Ch. 7.2 - Name the following:Ch. 7.3 - What orbitals are used to form the carbon-carbon ...Ch. 7.4 - Prob. 9P Ch. 7.4 - Why does cis-2-butene have a higher boiling point...

Solution Summary: The author explains the structure, common name, and systematic names for alkynes with molecular formula C_

Concept explainers

Interpretation:

The number of isomers possible if stereoisomers are included should be determined.

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Chapter 7 Solutions

Solution Summary: The author explains the structure, common name, and systematic names for alkynes with molecular formula C_

Concept explainers

Interpretation: The number of isomers possible if stereoisomers are included should be determined.

Want to see the full answer?

Chapter 7 Solutions

Interpretation:

The number of isomers possible if stereoisomers are included should be determined.