(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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Dr. Mendel asked his BIOL 260 class what their height was and what their parent's heights were. He plotted that data in the graph below to determine if height was a heritable trait. A. Is height a heritable trait? If yes, what is the heritability value? (2 pts) B. If the phenotypic variation is 30, what is the variation due to additive alleles? (2 pts) Offspring Height (Inches) 75 67.5 60 52.5 y = 0.9264x + 4.8519 55 60 65 MidParent Height (Inches) 70 75 12pt v V Paragraph B IUA > AT2 v V

Experiment: Each team will be provided with 5g of a mixture of acetanilide and salicylic acid. You will divide it into three 1.5 g portions in separate 125 mL Erlenmeyer flasks savıng some for melting point analysis. Dissolve the mixture in each flask in ~60mL of DI water by heating to boiling on a hotplate. Take the flasks off the hotplate once you have a clear solution and let them stand on the bench top for 5 mins and then allow them to cool as described below. Sample A-Let the first sample cool slowly to room temperature by letting it stand on your lab bench, with occasional stirring to promote crystallization. Sample B-Cool the second sample 1n a tap-water bath to 10-15 °C Sample C-Cool the third sample in an ice-bath to 0-2 °C Results: weight after recrystalization and melting point temp. A=0.624g,102-115° B=0.765g, 80-105° C=1.135g, 77-108 What is the percent yield of A,B, and C.

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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