(a) Interpretation: Preparation of ethylbutanoate by using ethyl-2-butenoate as starting material is to be stated. Concept-Introduction: The carbon-carbon double bond of α , β -unsaturated compounds can be reduced by using catalytic reduction. In catalytic reduction, hydrogen is used with an inert metal as catalyst such as platinum and palladium. Inert metal provides the surface for adsorption of hydrogen and reactant to catalyze the reaction. Answer: The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below: Explanation: Compound, ethyl-2-butenoate is an α , β unsaturated compound so it can be reduced into ethylbutanoate using catalytic reduction. In the catalytic reduction reaction, inert metals are used as catalyst. Metals provide surface for the adsorption of hydrogen and reactant to facilitate the reaction. The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below. Figure 1 Conclusion: Preparation of ethylbutanoate from ethyl-2-butenoate is shown in Figure 1.

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Answer 1

Question

Chapter 22, Problem 22.51P

Interpretation Introduction

(a)

Interpretation:

Preparation of ethylbutanoate by using ethyl-2-butenoate as starting material is to be stated.

Concept-Introduction:

The carbon-carbon double bond of α,β-unsaturated compounds can be reduced by using catalytic reduction. In catalytic reduction, hydrogen is used with an inert metal as catalyst such as platinum and palladium. Inert metal provides the surface for adsorption of hydrogen and reactant to catalyze the reaction.

Answer:

The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below:

Explanation:

Compound, ethyl-2-butenoate is an α,β unsaturated compound so it can be reduced into ethylbutanoate using catalytic reduction. In the catalytic reduction reaction, inert metals are used as catalyst. Metals provide surface for the adsorption of hydrogen and reactant to facilitate the reaction. The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below.

Figure 1

Conclusion:

Preparation of ethylbutanoate from ethyl-2-butenoate is shown in Figure 1.

Interpretation Introduction

(b)

Interpretation:

Preparation of 2-butene-1-ol using ethyl-2-butenoate as starting material is to be stated.

Concept Introduction:

The α,β unsaturated compounds can be reduced to obtain alcohol by reduction with lithium aluminium hydride. In lithium aluminum hydride, hydride ion act as nucleophile and attacks at the electrophilic carbon centre of carbonyl group. Anion intermediate formed is stabilized by making ion pair with lithium ion. After hydrolysis intermediate will form enol.

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6. Consider the following exothermic reaction below. 2Cu2+(aq) +41 (aq)2Cul(s) + 12(aq) a. If Cul is added, there will be a shift left/shift right/no shift (circle one). b. If Cu2+ is added, there will be a shift left/shift right/no shift (circle one). c. If a solution of AgNO3 is added, there will be a shift left/shift right/no shift (circle one). d. If the solvent hexane (C6H14) is added, there will be a shift left/shift right/no shift (circle one). Hint: one of the reaction species is more soluble in hexane than in water. e. If the reaction is cooled, there will be a shift left/shift right/no shift (circle one). f. Which of the changes above will change the equilibrium constant, K?

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Answer 2

Question

Chapter 22, Problem 22.51P

Interpretation Introduction

(a)

Interpretation:

Preparation of ethylbutanoate by using ethyl-2-butenoate as starting material is to be stated.

Concept-Introduction:

The carbon-carbon double bond of α,β-unsaturated compounds can be reduced by using catalytic reduction. In catalytic reduction, hydrogen is used with an inert metal as catalyst such as platinum and palladium. Inert metal provides the surface for adsorption of hydrogen and reactant to catalyze the reaction.

Answer:

The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below:

Explanation:

Compound, ethyl-2-butenoate is an α,β unsaturated compound so it can be reduced into ethylbutanoate using catalytic reduction. In the catalytic reduction reaction, inert metals are used as catalyst. Metals provide surface for the adsorption of hydrogen and reactant to facilitate the reaction. The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below.

Figure 1

Conclusion:

Preparation of ethylbutanoate from ethyl-2-butenoate is shown in Figure 1.

Interpretation Introduction

(b)

Interpretation:

Preparation of 2-butene-1-ol using ethyl-2-butenoate as starting material is to be stated.

Concept Introduction:

The α,β unsaturated compounds can be reduced to obtain alcohol by reduction with lithium aluminium hydride. In lithium aluminum hydride, hydride ion act as nucleophile and attacks at the electrophilic carbon centre of carbonyl group. Anion intermediate formed is stabilized by making ion pair with lithium ion. After hydrolysis intermediate will form enol.

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Answer 3

Question

Chapter 22, Problem 22.51P

Interpretation Introduction

(a)

Interpretation:

Preparation of ethylbutanoate by using ethyl-2-butenoate as starting material is to be stated.

Concept-Introduction:

The carbon-carbon double bond of α,β-unsaturated compounds can be reduced by using catalytic reduction. In catalytic reduction, hydrogen is used with an inert metal as catalyst such as platinum and palladium. Inert metal provides the surface for adsorption of hydrogen and reactant to catalyze the reaction.

Answer:

The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below:

Explanation:

Compound, ethyl-2-butenoate is an α,β unsaturated compound so it can be reduced into ethylbutanoate using catalytic reduction. In the catalytic reduction reaction, inert metals are used as catalyst. Metals provide surface for the adsorption of hydrogen and reactant to facilitate the reaction. The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below.

Figure 1

Conclusion:

Preparation of ethylbutanoate from ethyl-2-butenoate is shown in Figure 1.

Interpretation Introduction

(b)

Interpretation:

Preparation of 2-butene-1-ol using ethyl-2-butenoate as starting material is to be stated.

Concept Introduction:

The α,β unsaturated compounds can be reduced to obtain alcohol by reduction with lithium aluminium hydride. In lithium aluminum hydride, hydride ion act as nucleophile and attacks at the electrophilic carbon centre of carbonyl group. Anion intermediate formed is stabilized by making ion pair with lithium ion. After hydrolysis intermediate will form enol.

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Answer 4

Question

Chapter 22, Problem 22.51P

Interpretation Introduction

(a)

Interpretation:

Preparation of ethylbutanoate by using ethyl-2-butenoate as starting material is to be stated.

Concept-Introduction:

The carbon-carbon double bond of α,β-unsaturated compounds can be reduced by using catalytic reduction. In catalytic reduction, hydrogen is used with an inert metal as catalyst such as platinum and palladium. Inert metal provides the surface for adsorption of hydrogen and reactant to catalyze the reaction.

Answer:

The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below:

Explanation:

Compound, ethyl-2-butenoate is an α,β unsaturated compound so it can be reduced into ethylbutanoate using catalytic reduction. In the catalytic reduction reaction, inert metals are used as catalyst. Metals provide surface for the adsorption of hydrogen and reactant to facilitate the reaction. The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below.

Figure 1

Conclusion:

Preparation of ethylbutanoate from ethyl-2-butenoate is shown in Figure 1.

Interpretation Introduction

(b)

Interpretation:

Preparation of 2-butene-1-ol using ethyl-2-butenoate as starting material is to be stated.

Concept Introduction:

The α,β unsaturated compounds can be reduced to obtain alcohol by reduction with lithium aluminium hydride. In lithium aluminum hydride, hydride ion act as nucleophile and attacks at the electrophilic carbon centre of carbonyl group. Anion intermediate formed is stabilized by making ion pair with lithium ion. After hydrolysis intermediate will form enol.

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Answer 5

Chapter 22, Problem 22.51P

Interpretation Introduction

(a)

Interpretation:

Preparation of ethylbutanoate by using ethyl-2-butenoate as starting material is to be stated.

Concept-Introduction:

The carbon-carbon double bond of α,β-unsaturated compounds can be reduced by using catalytic reduction. In catalytic reduction, hydrogen is used with an inert metal as catalyst such as platinum and palladium. Inert metal provides the surface for adsorption of hydrogen and reactant to catalyze the reaction.

Answer:

The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below:

Explanation:

Compound, ethyl-2-butenoate is an α,β unsaturated compound so it can be reduced into ethylbutanoate using catalytic reduction. In the catalytic reduction reaction, inert metals are used as catalyst. Metals provide surface for the adsorption of hydrogen and reactant to facilitate the reaction. The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below.

Figure 1

Conclusion:

Preparation of ethylbutanoate from ethyl-2-butenoate is shown in Figure 1.

Interpretation Introduction

(b)

Interpretation:

Preparation of 2-butene-1-ol using ethyl-2-butenoate as starting material is to be stated.

Concept Introduction:

The α,β unsaturated compounds can be reduced to obtain alcohol by reduction with lithium aluminium hydride. In lithium aluminum hydride, hydride ion act as nucleophile and attacks at the electrophilic carbon centre of carbonyl group. Anion intermediate formed is stabilized by making ion pair with lithium ion. After hydrolysis intermediate will form enol.

Answer 6

Chapter 22, Problem 22.51P

Interpretation Introduction

(a)

Interpretation:

Preparation of ethylbutanoate by using ethyl-2-butenoate as starting material is to be stated.

Concept-Introduction:

The carbon-carbon double bond of α,β-unsaturated compounds can be reduced by using catalytic reduction. In catalytic reduction, hydrogen is used with an inert metal as catalyst such as platinum and palladium. Inert metal provides the surface for adsorption of hydrogen and reactant to catalyze the reaction.

Answer:

The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below:

Explanation:

Compound, ethyl-2-butenoate is an α,β unsaturated compound so it can be reduced into ethylbutanoate using catalytic reduction. In the catalytic reduction reaction, inert metals are used as catalyst. Metals provide surface for the adsorption of hydrogen and reactant to facilitate the reaction. The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below.

Figure 1

Conclusion:

Preparation of ethylbutanoate from ethyl-2-butenoate is shown in Figure 1.

Answer 7

Chapter 22, Problem 22.51P

Interpretation Introduction

(a)

Interpretation:

Preparation of ethylbutanoate by using ethyl-2-butenoate as starting material is to be stated.

Concept-Introduction:

The carbon-carbon double bond of α,β-unsaturated compounds can be reduced by using catalytic reduction. In catalytic reduction, hydrogen is used with an inert metal as catalyst such as platinum and palladium. Inert metal provides the surface for adsorption of hydrogen and reactant to catalyze the reaction.

Answer:

The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below:

Explanation:

Compound, ethyl-2-butenoate is an α,β unsaturated compound so it can be reduced into ethylbutanoate using catalytic reduction. In the catalytic reduction reaction, inert metals are used as catalyst. Metals provide surface for the adsorption of hydrogen and reactant to facilitate the reaction. The formation of ethylbutanoate using ethyl-2-butenoate as starting material is shown below.

Figure 1

Conclusion:

Preparation of ethylbutanoate from ethyl-2-butenoate is shown in Figure 1.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Preparation of 2-butene-1-ol using ethyl-2-butenoate as starting material is to be stated.

Concept Introduction:

The α,β unsaturated compounds can be reduced to obtain alcohol by reduction with lithium aluminium hydride. In lithium aluminum hydride, hydride ion act as nucleophile and attacks at the electrophilic carbon centre of carbonyl group. Anion intermediate formed is stabilized by making ion pair with lithium ion. After hydrolysis intermediate will form enol.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Preparation of 2-butene-1-ol using ethyl-2-butenoate as starting material is to be stated.

Concept Introduction:

The α,β unsaturated compounds can be reduced to obtain alcohol by reduction with lithium aluminium hydride. In lithium aluminum hydride, hydride ion act as nucleophile and attacks at the electrophilic carbon centre of carbonyl group. Anion intermediate formed is stabilized by making ion pair with lithium ion. After hydrolysis intermediate will form enol.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 22 - Prob. 22.1P Ch. 22 - Prob. 22.2P Ch. 22 - Prob. 22.3P Ch. 22 - Prob. 22.4P Ch. 22 - Prob. 22.5P Ch. 22 - Prob. 22.6P Ch. 22 - Prob. 22.7P Ch. 22 - Prob. 22.8P Ch. 22 - Prob. 22.9P Ch. 22 - Prob. 22.10P

Solution Summary: The author explains how the carbon-carbon double bond of alpha,beta -unsaturated compounds can be reduced by using catalytic reduction.

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