The explanation to why phosphonium ylide reacts with aldehyde or ketone to form an alkene but a sulfonium ylide forms an epoxide has to be given. Concept introduction: Ylides: Ylides are those compounds in which a negatively charged species such as carbanion is attached directly to a heteroatom like sulfur and phosphorous. Some examples of such compounds are phosphorus ylides, sulfonium ylides, carbonyl ylides and oxonium ylides.

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 16, Problem 82P

Interpretation Introduction

Interpretation:

The explanation to why phosphonium ylide reacts with aldehyde or ketone to form an alkene but a sulfonium ylide forms an epoxide has to be given.

Concept introduction:

Ylides:

Ylides are those compounds in which a negatively charged species such as carbanion is attached directly to a heteroatom like sulfur and phosphorous. Some examples of such compounds are phosphorus ylides, sulfonium ylides, carbonyl ylides and oxonium ylides.

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A complete tensile test was performed on a magnesium specimen of 12 mm diameter and 30 mm length, until breaking. The specimen is assumed to maintain a constant volume. Calculate the approximate value of the actual stress at breaking. TABLE. The tensile force F and the length of the specimen are represented for each L until breaking. F/N L/mm 0 30,0000 30,0296 5000 10000 30,0592 15000 30,0888 20000 30,15 25000 30,51 26500 30,90 27000 31,50 26500 32,10 25000 32,79

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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 aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 16, Problem 82P

Interpretation Introduction

Interpretation:

The explanation to why phosphonium ylide reacts with aldehyde or ketone to form an alkene but a sulfonium ylide forms an epoxide has to be given.

Concept introduction:

Ylides:

Ylides are those compounds in which a negatively charged species such as carbanion is attached directly to a heteroatom like sulfur and phosphorous. Some examples of such compounds are phosphorus ylides, sulfonium ylides, carbonyl ylides and oxonium ylides.

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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 aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 16, Problem 82P

Interpretation Introduction

Interpretation:

The explanation to why phosphonium ylide reacts with aldehyde or ketone to form an alkene but a sulfonium ylide forms an epoxide has to be given.

Concept introduction:

Ylides:

Ylides are those compounds in which a negatively charged species such as carbanion is attached directly to a heteroatom like sulfur and phosphorous. Some examples of such compounds are phosphorus ylides, sulfonium ylides, carbonyl ylides and oxonium ylides.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 16, Problem 82P

Interpretation Introduction