(a) Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified. Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α − carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester . The crossed Claisen condensation always takes place between the two different carbonyl compounds.

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Answer 1

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Chapter 24, Problem 24.17P

Interpretation Introduction

(a)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(b)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

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LTS Solid: AT=Te-Ti Trial 1 Trial 2 Trial 3 Average ΔΗ Mass water, g 24.096 23.976 23.975 Moles of solid, mol 0.01763 001767 0101781 Temp. change, °C 2.9°C 11700 2.0°C Heat of reaction, J -292.37J -170.473 -193.26J AH, kJ/mole 16.58K 9.647 kJ 10.85 kr 16.58K59.64701 KJ mol 12.35k Minimum AS, J/mol K 41.582 mol-k Remember: q = mCsAT (m = mass of water, Cs=4.184J/g°C) & qsin =-qrxn & Show your calculations for: AH in J and then in kJ/mole for Trial 1: qa (24.0969)(4.1845/g) (-2.9°C)=-292.37J qsin = qrxn = 292.35 292.37J AH in J = 292.375 0.2923kJ 0.01763m01 =1.65×107 AH in kJ/mol = = 16.58K 0.01763mol mol qrx Minimum AS in J/mol K (Hint: use the average initial temperature of the three trials, con Kelvin.) AS=AHIT (1.65×10(9.64×103) + (1.0 Jimai

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Vnk the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest bolling point, choose 2 next to the substance with the next highest boiling point, and so on. substance C D chemical symbol, chemical formula or Lewis structure. CH,-N-CH, CH, H H 10: H C-C-H H H H Cale H 10: H-C-C-N-CH, Bri CH, boiling point (C) Сен (C) B (Choose

Answer 2

Question

Chapter 24, Problem 24.17P

Interpretation Introduction

(a)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(b)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

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Answer 3

Question

Chapter 24, Problem 24.17P

Interpretation Introduction

(a)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(b)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

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Answer 4

Question

Chapter 24, Problem 24.17P

Interpretation Introduction

(a)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(b)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

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Answer 5

Chapter 24, Problem 24.17P

Interpretation Introduction

(a)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(b)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 6

Chapter 24, Problem 24.17P

Interpretation Introduction

(a)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 7

Chapter 24, Problem 24.17P

Interpretation Introduction

(a)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 8

Interpretation Introduction

(b)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 9

Interpretation Introduction

(b)

Interpretation: The crossed Claisen product that is formed by the given pair of compounds is to be identified.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 10

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Answer 13

Ch. 24 - Prob. 24.1P Ch. 24 - Prob. 24.2P Ch. 24 - Problem 24.3 What unsaturated carbonyl compound is...Ch. 24 - Prob. 24.4P Ch. 24 - Prob. 24.5P Ch. 24 - Prob. 24.6P Ch. 24 - Problem 24.7 Draw the products formed in each...Ch. 24 - Problem 24.8 Draw the products formed in the...Ch. 24 - Prob. 24.9P Ch. 24 - Prob. 24.10P

Solution Summary: The author explains the cross-claisen product that is formed by the given pair of compounds.

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