Given that cyclopropanone is highly reactive because of the large angle strain in the molecule. Methylcyclopropenone, although even more strained than cyclopropanone, is quite stable and can even be distilled. Taking the polarity of the carbonyl group into account this observation is to be explained. Concept introduction: Carbonyl group is polar as oxygen is more electronegative than carbon. According to Huckel’s rule, any specie that is cyclic, planar and has (4n+2) Ï€ electrons will be aromatic and stable. Thus species with 2, 6, 10, 14 etc. Ï€ electrons will be aromatic and stable. To explain: Taking into account the polarity of the carbonyl group, the observation that cyclopropanone is highly reactive because of the large angle strain in the molecule while methylcyclopropenone, although even more strained than cyclopropanone, is quite stable and can even be distilled.

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Answer 1

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 15.SE, Problem 31AP

Interpretation Introduction

Interpretation:

Given that cyclopropanone is highly reactive because of the large angle strain in the molecule. Methylcyclopropenone, although even more strained than cyclopropanone, is quite stable and can even be distilled. Taking the polarity of the carbonyl group into account this observation is to be explained.

Concept introduction:

Carbonyl group is polar as oxygen is more electronegative than carbon. According to Huckel’s rule, any specie that is cyclic, planar and has (4n+2) Ï€ electrons will be aromatic and stable. Thus species with 2, 6, 10, 14 etc. Ï€ electrons will be aromatic and stable.

To explain:

Taking into account the polarity of the carbonyl group, the observation that cyclopropanone is highly reactive because of the large angle strain in the molecule while methylcyclopropenone, although even more strained than cyclopropanone, is quite stable and can even be distilled.

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the rotational constant of HI is 6.511 cm-1. (i)What is the characteristic rotational temperature of HI? (ii) Evaluate the rotational partition function and the mean rotational energy of HI at 298K. Note that T=298K is much larger than the characteristic rotational temperature of HI.

Answer 2

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 15.SE, Problem 31AP

Interpretation Introduction

Interpretation:

Given that cyclopropanone is highly reactive because of the large angle strain in the molecule. Methylcyclopropenone, although even more strained than cyclopropanone, is quite stable and can even be distilled. Taking the polarity of the carbonyl group into account this observation is to be explained.

Concept introduction:

Carbonyl group is polar as oxygen is more electronegative than carbon. According to Huckel’s rule, any specie that is cyclic, planar and has (4n+2) Ï€ electrons will be aromatic and stable. Thus species with 2, 6, 10, 14 etc. Ï€ electrons will be aromatic and stable.

To explain:

Taking into account the polarity of the carbonyl group, the observation that cyclopropanone is highly reactive because of the large angle strain in the molecule while methylcyclopropenone, although even more strained than cyclopropanone, is quite stable and can even be distilled.

Expert Solution & Answer

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Answer 3

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 15.SE, Problem 31AP

Interpretation Introduction

Interpretation:

Given that cyclopropanone is highly reactive because of the large angle strain in the molecule. Methylcyclopropenone, although even more strained than cyclopropanone, is quite stable and can even be distilled. Taking the polarity of the carbonyl group into account this observation is to be explained.

Concept introduction:

Carbonyl group is polar as oxygen is more electronegative than carbon. According to Huckel’s rule, any specie that is cyclic, planar and has (4n+2) Ï€ electrons will be aromatic and stable. Thus species with 2, 6, 10, 14 etc. Ï€ electrons will be aromatic and stable.

To explain:

Taking into account the polarity of the carbonyl group, the observation that cyclopropanone is highly reactive because of the large angle strain in the molecule while methylcyclopropenone, although even more strained than cyclopropanone, is quite stable and can even be distilled.

Expert Solution & Answer

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Answer 4

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 15.SE, Problem 31AP

Interpretation Introduction