The major products of the following reactions should be determined. Concept Introduction: Halogen addition to an alkene: The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons. Mainly Br 2 and Cl 2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane. In general, the reaction can be shown as below. When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed. The formed unstable intermediate reacts with Br - and the product is formed.

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Answer 1

Question

Chapter 6, Problem 85P

(a)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

(b)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

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(a 4 shows scanning electron microscope (SEM) images of extruded actions of packing bed for two capillary columns of different diameters, al 750 (bottom image) and b) 30-μm-i.d. Both columns are packed with the same stationary phase, spherical particles with 1-um diameter. A) When the columns were prepared, the figure shows that the column with the larger diameter has more packing irregularities. Explain this observation. B) Predict what affect this should have on band broadening and discuss your prediction using the van Deemter terms. C) Does this figure support your explanations in application question 33? Explain why or why not and make any changes in your answers in light of this figure. Figure 4 SEM images of sections of packed columns for a) 750 and b) 30-um-i.d. capillary columns.³

fcrip = ↓ bandwidth Il temp 32. What impact (increase, decrease, or no change) does each of the following conditions have on the individual components of the van Deemter equation and consequently, band broadening? Increase temperature Longer column Using a gas mobile phase instead of liquid Smaller particle stationary phase Multiple Paths Diffusion Mass Transfer

34. Figure 3 shows Van Deemter plots for a solute molecule using different column inner diameters (i.d.). A) Predict whether decreasing the column inner diameters increase or decrease bandwidth. B) Predict which van Deemter equation coefficient (A, B, or C) has the greatest effect on increasing or decreasing bandwidth as a function of i.d. and justify your answer. Figure 3 Van Deemter plots for hydroquinone using different column inner diameters (i.d. in μm). The data was obtained from liquid chromatography experiments using fused-silica capillary columns packed with 1.0-μm particles. 35 20 H(um) 큰 20 15 90 0+ 1500 100 75 550 01 02 594 05 μ(cm/sec) 30 15 10

Answer 2

Question

Chapter 6, Problem 85P

(a)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

(b)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 6, Problem 85P

(a)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

(b)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 6, Problem 85P

(a)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

(b)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

Expert Solution & Answer

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See solution

Answer 5

Chapter 6, Problem 85P

(a)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

(b)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

Answer 6

Chapter 6, Problem 85P

(a)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

Answer 7

Chapter 6, Problem 85P

(a)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The major products of the following reactions should be determined.

Concept Introduction:

Halogen addition to an alkene:

The addition reaction of halides to alkenes leads to the formation of vicinal dihalide as the product. The two halogens will be on the adjacent carbons.

Mainly Br2 and Cl2 undergo addition reaction with alkenes and the reaction is carried out in an inert solvent such as dichloromethane.

In general, the reaction can be shown as below.

When the bromine approaches the alkene, one bromine accepts the electrons from alkene and give them to the other bromine and a cyclic bromonium ion intermediate is formed.

The formed unstable intermediate reacts with Br- and the product is formed.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 6.1 - Draw the mechanism for the reaction of cyclohexene...Ch. 6.2 - a. How many bond orbitals are avilable for...Ch. 6.2 - Prob. 3P Ch. 6.2 - Prob. 4P Ch. 6.3 - Prob. 5P Ch. 6.4 - Prob. 6P Ch. 6.4 - What alkene should be used to synthesize each of...Ch. 6.4 - Prob. 8P Ch. 6.5 - The pKa of a protonated alcohol is about 2.5, and...Ch. 6.5 - Prob. 10P

Solution Summary: The author describes the electrophilic addition of halogens to alkenes.

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