The possible structures of β -keto acids that will decarboxylate to yield 2-methylcyclohexanone are to be stated. Concept introduction: Decarboxylation reaction occurs when a β -keto acid is heated. When β-keto acid is heated, an enol intermediate is formed with the release of carbon dioxide. The enol tautomerises into a ketone .

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Answer 1

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Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 20, Problem 20.23P

Interpretation Introduction

Interpretation:

The possible structures of β-keto acids that will decarboxylate to yield 2-methylcyclohexanone are to be stated.

Concept introduction:

Decarboxylation reaction occurs when a β-keto acid is heated. When β-keto acid is heated, an enol intermediate is formed with the release of carbon dioxide. The enol tautomerises into a ketone.

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Instructions: Complete the questions in the space provided. Show all your work 1. You are trying to determine the rate law expression for a reaction that you are completing at 25°C. You measure the initial reaction rate and the starting concentrations of the reactions for 4 trials. BrO³¯ (aq) + 5Br¯ (aq) + 6H* (aq) → 3Br₂ (l) + 3H2O (l) Initial rate Trial [BrO3] [H*] [Br] (mol/L) (mol/L) | (mol/L) (mol/L.s) 1 0.10 0.10 0.10 8.0 2 0.20 0.10 0.10 16 3 0.10 0.20 0.10 16 4 0.10 0.10 0.20 32 a. Based on the above data what is the rate law expression? b. Solve for the value of k (make sure to include proper units) 2. The proposed reaction mechanism is as follows: i. ii. BrО¸¯ (aq) + H+ (aq) → HBrO3 (aq) HBrO³ (aq) + H* (aq) → H₂BrO3* (aq) iii. H₂BrO³* (aq) + Br¯ (aq) → Br₂O₂ (aq) + H2O (l) [Fast] [Medium] [Slow] iv. Br₂O₂ (aq) + 4H*(aq) + 4Br‍(aq) → 3Br₂ (l) + H2O (l) [Fast] Evaluate the validity of this proposed reaction. Justify your answer.

Answer 2

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Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 20, Problem 20.23P

Interpretation Introduction

Interpretation:

The possible structures of β-keto acids that will decarboxylate to yield 2-methylcyclohexanone are to be stated.

Concept introduction:

Decarboxylation reaction occurs when a β-keto acid is heated. When β-keto acid is heated, an enol intermediate is formed with the release of carbon dioxide. The enol tautomerises into a ketone.

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Answer 3

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Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 20, Problem 20.23P

Interpretation Introduction

Interpretation:

The possible structures of β-keto acids that will decarboxylate to yield 2-methylcyclohexanone are to be stated.

Concept introduction:

Decarboxylation reaction occurs when a β-keto acid is heated. When β-keto acid is heated, an enol intermediate is formed with the release of carbon dioxide. The enol tautomerises into a ketone.

Expert Solution & Answer

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Answer 4

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Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 20, Problem 20.23P

Interpretation Introduction