a) Interpretation: The hybridisation of the following molecules is to be shown with the help of diagram. Concept introduction: a)

Question

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 1

Question

Chapter 3.SE, Problem 25AP

Interpretation Introduction

a)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

a)

Interpretation Introduction

b)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

b)

Interpretation Introduction

c)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

c)

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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?

Synthesis of ZybanⓇ: 1. Write a mechanism for the bromination of m-chloropropiophenone. Br₂ CH2Cl2 Cl Br 2. Give the expected m/z (to a round number) for the molecular ion from the product above (including isotopic peaks). 3. 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?

Synthesis of Ibuprofen-Part 2: 1. Some pain relievers including ibuprofen (MotrinⓇ) and naproxen (Aleve®) are "α-arylpropanoic acids." Look up the structure of naproxen (AleveⓇ), another a-arylpropionic acid. Using the same reactions that we used for making ibuprofen, show how to make naproxen from the compound below. Show all intermediates and reagents in your synthesis. Show how you would prepare ibuprofen starting from p-isobutylbenzene rather than p-isobutylacetophenenone. What reaction steps would need to change/add? 3. 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

Chapter 3.SE, Problem 25AP

Interpretation Introduction

a)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

a)

Interpretation Introduction

b)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

b)

Interpretation Introduction

c)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

c)

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Answer 3

Question

Chapter 3.SE, Problem 25AP

Interpretation Introduction

a)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

a)

Interpretation Introduction

b)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

b)

Interpretation Introduction

c)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

c)

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Answer 4

Question

Chapter 3.SE, Problem 25AP

Interpretation Introduction

a)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

a)

Interpretation Introduction

b)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

b)

Interpretation Introduction

c)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

c)

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Answer 5

Chapter 3.SE, Problem 25AP

Interpretation Introduction

a)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

a)

Interpretation Introduction

b)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

b)

Interpretation Introduction

c)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

c)

Answer 6

Chapter 3.SE, Problem 25AP

Interpretation Introduction

a)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

a)

Answer 7

Chapter 3.SE, Problem 25AP

Interpretation Introduction

a)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

a)

Answer 8

Interpretation Introduction

b)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

b)

Answer 9

Interpretation Introduction

b)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

b)

Answer 10

Interpretation Introduction

c)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

c)

Answer 11

Interpretation Introduction

c)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

c)

Answer 12

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Answer 13

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Answer 23

Ch. 3.1 - Prob. 1P Ch. 3.1 - Prob. 2P Ch. 3.1 - Identify the functional groups in the following...Ch. 3.2 - Draw structures of the five isomers of C6H14.Ch. 3.2 - Propose structures that meet the following...Ch. 3.2 - Prob. 6P Ch. 3.3 - Draw the eight 5-carbon alkyl groups (pentyl...Ch. 3.3 - Identify the carbon atoms in the following...Ch. 3.3 - Prob. 9P Ch. 3.3 - Prob. 10P

a) Interpretation: The hybridisation of the following molecules is to be shown with the help of diagram. Concept introduction: a)

Solution Summary: The author explains that the hybridisation of the following molecules is to be shown with the help of diagram.

Concept explainers

a)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

a)

b)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

b)

c)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

c)

Chapter 3 Solutions

a) Interpretation: The hybridisation of the following molecules is to be shown with the help of diagram. Concept introduction: a)

Solution Summary: The author explains that the hybridisation of the following molecules is to be shown with the help of diagram.

Concept explainers

a) Interpretation: The hybridisation of the following molecules is to be shown with the help of diagram. Concept introduction: a)

b) Interpretation: The hybridisation of the following molecules is to be shown with the help of diagram. Concept introduction: b)

c) Interpretation: The hybridisation of the following molecules is to be shown with the help of diagram. Concept introduction: c)

Chapter 3 Solutions

a)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

a)

b)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

b)

c)

Interpretation:

The hybridisation of the following molecules is to be shown with the help of diagram.

Concept introduction:

c)