The difference in the values of Δ E for the given reactions is to be rationalized. Concept introduction: The bond energy is defined as the amount of energy which is required to break a chemical bond in a molecule or it is the measure of chemical bond strength. It depends on many factors like size of atoms which are involved in a reaction, electron affinities , electronegativity differences and the structure of the molecule. For a shorter bond length the value of bond energy is higher. To determine: The differences in the values of Δ E for the given reactions.

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b) Certain cyclic compounds are known to be conformationally similar to carbohydrates, although they are not themselves carbohydrates. One example is Compound C shown below, which could be imagined as adopting four possible conformations. In reality, however, only one of these is particularly stable. Circle the conformation you expect to be the most stable, and provide an explanation to justify your choice. For your explanation to be both convincing and correct, it must contain not only words, but also "cartoon" orbital drawings contrasting the four structures. Compound C Possible conformations (circle one): Дет

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Chapter 4, Problem 117CP

Interpretation Introduction

Interpretation: The difference in the values of ΔE for the given reactions is to be rationalized.

Concept introduction: The bond energy is defined as the amount of energy which is required to break a chemical bond in a molecule or it is the measure of chemical bond strength. It depends on many factors like size of atoms which are involved in a reaction, electron affinities, electronegativity differences and the structure of the molecule. For a shorter bond length the value of bond energy is higher.

To determine: The differences in the values of ΔE for the given reactions.

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b) Certain cyclic compounds are known to be conformationally similar to carbohydrates, although they are not themselves carbohydrates. One example is Compound C shown below, which could be imagined as adopting four possible conformations. In reality, however, only one of these is particularly stable. Circle the conformation you expect to be the most stable, and provide an explanation to justify your choice. For your explanation to be both convincing and correct, it must contain not only words, but also "cartoon" orbital drawings contrasting the four structures. Compound C Possible conformations (circle one): Дет

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