The reaction of 2 − bromo − 3 − phenylbutane with sodium methoxide that shows major and minor products is to be drawn. Concept introduction: The chemical reaction that consists of an alkyl halide , a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution. The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E 2 elimination reaction.

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Answer 1

Question

Chapter 7, Problem 7.69SP

(a)

Interpretation Introduction

Interpretation:

The reaction of 2−bromo−3−phenylbutane with sodium methoxide that shows major and minor products is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(b)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2R,3R)-2-bromo-3-phenylbutane, that shows the reason of stereospecificity, is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(c)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2S,3R)-2-bromo-3-phenylbutane is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(d)

Interpretation Introduction

Interpretation:

The major product from the elimination of (2S,3S)-2-bromo-3-phenylbutane is to be predicted.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

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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

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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 7, Problem 7.69SP

(a)

Interpretation Introduction

Interpretation:

The reaction of 2−bromo−3−phenylbutane with sodium methoxide that shows major and minor products is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(b)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2R,3R)-2-bromo-3-phenylbutane, that shows the reason of stereospecificity, is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(c)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2S,3R)-2-bromo-3-phenylbutane is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(d)

Interpretation Introduction

Interpretation:

The major product from the elimination of (2S,3S)-2-bromo-3-phenylbutane is to be predicted.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

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Answer 3

Question

Chapter 7, Problem 7.69SP

(a)

Interpretation Introduction

Interpretation:

The reaction of 2−bromo−3−phenylbutane with sodium methoxide that shows major and minor products is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(b)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2R,3R)-2-bromo-3-phenylbutane, that shows the reason of stereospecificity, is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(c)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2S,3R)-2-bromo-3-phenylbutane is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(d)

Interpretation Introduction

Interpretation:

The major product from the elimination of (2S,3S)-2-bromo-3-phenylbutane is to be predicted.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

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Answer 4

Question

Chapter 7, Problem 7.69SP

(a)

Interpretation Introduction

Interpretation:

The reaction of 2−bromo−3−phenylbutane with sodium methoxide that shows major and minor products is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(b)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2R,3R)-2-bromo-3-phenylbutane, that shows the reason of stereospecificity, is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(c)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2S,3R)-2-bromo-3-phenylbutane is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(d)

Interpretation Introduction

Interpretation:

The major product from the elimination of (2S,3S)-2-bromo-3-phenylbutane is to be predicted.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

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Answer 5

Chapter 7, Problem 7.69SP

(a)

Interpretation Introduction

Interpretation:

The reaction of 2−bromo−3−phenylbutane with sodium methoxide that shows major and minor products is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(b)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2R,3R)-2-bromo-3-phenylbutane, that shows the reason of stereospecificity, is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(c)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2S,3R)-2-bromo-3-phenylbutane is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

(d)

Interpretation Introduction

Interpretation:

The major product from the elimination of (2S,3S)-2-bromo-3-phenylbutane is to be predicted.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

Answer 6

Chapter 7, Problem 7.69SP

(a)

Interpretation Introduction

Interpretation:

The reaction of 2−bromo−3−phenylbutane with sodium methoxide that shows major and minor products is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

Answer 7

Chapter 7, Problem 7.69SP

(a)

Interpretation Introduction

Interpretation:

The reaction of 2−bromo−3−phenylbutane with sodium methoxide that shows major and minor products is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2R,3R)-2-bromo-3-phenylbutane, that shows the reason of stereospecificity, is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2R,3R)-2-bromo-3-phenylbutane, that shows the reason of stereospecificity, is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2S,3R)-2-bromo-3-phenylbutane is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The Newman projection for the transition state of the reaction of (2S,3R)-2-bromo-3-phenylbutane is to be drawn.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

Answer 12

(d)

Interpretation Introduction

Interpretation:

The major product from the elimination of (2S,3S)-2-bromo-3-phenylbutane is to be predicted.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

Answer 13

(d)

Interpretation Introduction

Interpretation:

The major product from the elimination of (2S,3S)-2-bromo-3-phenylbutane is to be predicted.

Concept introduction:

The chemical reaction that consists of an alkyl halide, a good leaving group which reacts with Lewis base to form an alkene is termed as elimination reaction. In this reaction there is complete removal of the leaving group takes place without any substitution.

The bimolecular elimination reaction that favours the removal of a HX substituent from an alkyl halide that needs a base to remove H from carbon adjacent to the leaving group that in turn forms a double bond is termed E2 elimination reaction.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 7.3A - Prob. 7.1P Ch. 7.3A - Prob. 7.2P Ch. 7.3B - Draw five more compounds of formula C4H6NOC1.Ch. 7.3B - For each of the following molecular formulas,...Ch. 7.4 - Give the systematic (IUPAC) names of the following...Ch. 7.5B - The following names are all incorrect. Draw the...Ch. 7.5B - Prob. 7.8P Ch. 7.5B - a. How many stereogcmc double bonds are in...Ch. 7.6 - Teflon-coated frying pans routinely endure...Ch. 7.7B - Prob. 7.11P

Solution Summary: The author explains the reaction of 2-bromo-3- phenylbutane with sodium methoxide that shows major and minor products.

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