The structural formula for n − heptene is to be drawn. The total number of isomers that are possible by moving only the position of the double bond is to be determined. Concept Introduction: Hydrocarbons are the organic compounds which contain only carbon and hydrogen atoms. Isomers are the compounds which have the same molecular formula but different arrangement of the atoms in space. The structural formula is a two-dimensional representation, which gives the information about the atoms that are bonded together and the atoms that are not bonded. Alkenes are the unsaturated hydrocarbons , which contain at least one double bond. The general molecular formula for the alkene is C n H 2 n .

Question

Complete the following table. The only density needed is already given. Show your calculations in a neat and easy-to-follow manner in the space below the table. All units should be included and significant figures should be given close attention. Be sure to notice that the amount of material should be in millimoles rather than moles, and the theoretical mass of the product should in milligrams rather than grams. LOCH 3 + H2SO4 HNO 3 O=C-OCH 3 NO2 x H₂O F.W. 4.0 mL 1.3 M amount 0.50 mL in H2SO4 mg Theoretical Theoretical mmoles density 1.09

Answer 1

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 6, Problem 41E

Interpretation Introduction

Interpretation:

The structural formula for n−heptene is to be drawn. The total number of isomers that are possible by moving only the position of the double bond is to be determined.

Concept Introduction:

Hydrocarbons are the organic compounds which contain only carbon and hydrogen atoms.

Isomers are the compounds which have the same molecular formula but different arrangement of the atoms in space.

The structural formula is a two-dimensional representation, which gives the information about the atoms that are bonded together and the atoms that are not bonded.

Alkenes are the unsaturated hydrocarbons, which contain at least one double bond.

The general molecular formula for the alkene is CnH2n.

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Complete the following table. The only density needed is already given. Show your calculations in a neat and easy-to-follow manner in the space below the table. All units should be included and significant figures should be given close attention. Be sure to notice that the amount of material should be in millimoles rather than moles, and the theoretical mass of the product should in milligrams rather than grams. LOCH 3 + H2SO4 HNO 3 O=C-OCH 3 NO2 x H₂O F.W. 4.0 mL 1.3 M amount 0.50 mL in H2SO4 mg Theoretical Theoretical mmoles density 1.09

Kumada Coupling: 1. m-Diisobutylbenzene below could hypothetically be synthesized by Friedel-Crafts reaction. Write out the reaction with a mechanism and give two reasons why you would NOT get the desired product. Draw the reaction (NOT a mechanism) for a Kumada coupling to produce the molecule above from m-dichlorobenzene. Calculate the theoretical yield for the reaction in question 2 using 1.5 g of p-dichlorobenzene and 3.0 mL isobutyl bromide. What signals appeared/disappeared/shifted that indicate that you have your intended product and not starting material? What other impurities are present in your product and how do you know?

Wintergreen from Aspirin: 1. In isolating the salicylic acid, why is it important to press out as much of the water as possible? 2. Write the mechanism of the esterification reaction you did. 3. What characteristic absorption band changes would you expect in the IR spectrum on going from aspirin to salicyclic acid and then to methyl salicylate as you did in the experiment today? Give approximate wavenumbers associated with each functional group change. What signals appeared/disappeared/shifted that indicate that you have your intended product and not starting material? What other impurities are present in your product and how do you know?

Answer 2

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 6, Problem 41E

Interpretation Introduction

Interpretation:

The structural formula for n−heptene is to be drawn. The total number of isomers that are possible by moving only the position of the double bond is to be determined.

Concept Introduction:

Hydrocarbons are the organic compounds which contain only carbon and hydrogen atoms.

Isomers are the compounds which have the same molecular formula but different arrangement of the atoms in space.

The structural formula is a two-dimensional representation, which gives the information about the atoms that are bonded together and the atoms that are not bonded.

Alkenes are the unsaturated hydrocarbons, which contain at least one double bond.

The general molecular formula for the alkene is CnH2n.

Expert Solution & Answer

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Check out sample textbook solution

Answer 3

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 6, Problem 41E

Interpretation Introduction

Interpretation:

The structural formula for n−heptene is to be drawn. The total number of isomers that are possible by moving only the position of the double bond is to be determined.

Concept Introduction:

Hydrocarbons are the organic compounds which contain only carbon and hydrogen atoms.

Isomers are the compounds which have the same molecular formula but different arrangement of the atoms in space.

The structural formula is a two-dimensional representation, which gives the information about the atoms that are bonded together and the atoms that are not bonded.

Alkenes are the unsaturated hydrocarbons, which contain at least one double bond.

The general molecular formula for the alkene is CnH2n.

Expert Solution & Answer

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See solution

Check out sample textbook solution

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 6, Problem 41E

Interpretation Introduction