(a) Interpretation: Whether 2 -pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated. Concept introduction: Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

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Answer 1

Question

Chapter 11, Problem 11.52AP

Interpretation Introduction

(a)

Interpretation:

Whether 2-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

Interpretation Introduction

(b)

Interpretation:

Whether 1-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

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Transmitance 3. Which one of the following compounds corresponds to this IR spectrum? Point out the absorption band(s) that helped you decide. OH H3C OH H₂C CH3 H3C CH3 H3C INFRARED SPECTRUM 0.8- 0.6 0.4- 0.2 3000 2000 1000 Wavenumber (cm-1) 4. Consider this compound: H3C On the structure above, label the different types of H's as A, B, C, etc. In table form, list the labeled signals, and for each one state the number of hydrogens, their shifts, and the splitting you would observe for these hydrogens in the ¹H NMR spectrum. Label # of hydrogens splitting Shift (2)

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Answer 2

Question

Chapter 11, Problem 11.52AP

Interpretation Introduction

(a)

Interpretation:

Whether 2-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

Interpretation Introduction

(b)

Interpretation:

Whether 1-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

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Answer 3

Question

Chapter 11, Problem 11.52AP

Interpretation Introduction

(a)

Interpretation:

Whether 2-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

Interpretation Introduction

(b)

Interpretation:

Whether 1-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

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Answer 4

Question

Chapter 11, Problem 11.52AP

Interpretation Introduction

(a)

Interpretation:

Whether 2-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

Interpretation Introduction

(b)

Interpretation:

Whether 1-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

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Answer 5

Chapter 11, Problem 11.52AP

Interpretation Introduction

(a)

Interpretation:

Whether 2-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

Interpretation Introduction

(b)

Interpretation:

Whether 1-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

Answer 6

Chapter 11, Problem 11.52AP

Interpretation Introduction

(a)

Interpretation:

Whether 2-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

Answer 7

Chapter 11, Problem 11.52AP

Interpretation Introduction

(a)

Interpretation:

Whether 2-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Whether 1-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Whether 1-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide is to be stated. Also, if not, the explanation for the corresponding statement and a different reaction that uses a different epoxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by protonation.

Answer 10

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Answer 11

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Answer 13

Ch. 11 - Prob. 11.1P Ch. 11 - Prob. 11.2P Ch. 11 - Prob. 11.3P Ch. 11 - Prob. 11.4P Ch. 11 - Prob. 11.5P Ch. 11 - Prob. 11.6P Ch. 11 - Prob. 11.7P Ch. 11 - Prob. 11.8P Ch. 11 - Prob. 11.9P Ch. 11 - Prob. 11.10P

Solution Summary: The author explains that the compound 2-pentanol can be prepared by the reaction of a Grignard reagent with ethylene oxide.

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