The energy diagram for the MOs of a planar cyclooctatetraenyl system using the polygon rule is to be drawn. Concept introduction: The conditions that a molecule must follow to be an aromatic are shown below. The given compound must be cyclic in nature. It must be planar. There must be no sp 3 hybridized carbon in the given compound. The compound must follow Huckel’s rule of aromaticity that is ( 4 n + 2 ) π electron system must be present. If the given compound follows first three conditions but it follows 4 n π electron system, then it is antiaromatic in nature. If the given compound fails to follow any of the above conditions then it is non-aromatic in nature.

Question

4. Read paragraph 4.15 from your textbook, use your calculated lattice energy values for CuO, CuCO3 and Cu(OH)2 an explain thermal decomposition reaction of malachite: Cu2CO3(OH)2 →2CuO + H2O + CO2 (3 points)

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 16.7, Problem 16.9P

(a)

Interpretation Introduction

Interpretation:

The energy diagram for the MOs of a planar cyclooctatetraenyl system using the polygon rule is to be drawn.

Concept introduction:

The conditions that a molecule must follow to be an aromatic are shown below.

The given compound must be cyclic in nature.

It must be planar.

There must be no sp3 hybridized carbon in the given compound.

The compound must follow Huckel’s rule of aromaticity that is (4n+2)π electron system must be present.

If the given compound follows first three conditions but it follows 4nπ electron system, then it is antiaromatic in nature. If the given compound fails to follow any of the above conditions then it is non-aromatic in nature.

(b)

Interpretation Introduction

Interpretation:

The filling of eight pi electrons for cyclooctatetraene, the nature of electronic configuration as aromatic or antiaromatic and the possibility of attaining aromaticity by the gain or loss of electrons is to be stated.

Concept introduction:

The conditions that a molecule must follow to be an aromatic are shown below.

The given compound must be a cyclic in nature.

It must be planar.

There must be no sp3 hybridized carbon in the given compound.

The compound must follow Huckel’s rule of aromaticity that is (4n+2)π electron system must be present.

If the given compound follows first three conditions but it follows 4nπ electrons, then it is antiaromatic in nature. If the given compound fails to follow any of the above conditions then it is non-aromatic in nature.

(c)

Interpretation Introduction

Interpretation:

The pictorial representations for the three bonding and the two non-bonding MOs of cyclooctatetraene are to be drawn.

Concept introduction:

Molecular orbital diagrams are used for determining the bonding in molecules using linear combination of atomic orbitals. Number of molecular orbitals formed is equal to the number of atomic orbitals that combine with each other.

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4. Read paragraph 4.15 from your textbook, use your calculated lattice energy values for CuO, CuCO3 and Cu(OH)2 an explain thermal decomposition reaction of malachite: Cu2CO3(OH)2 →2CuO + H2O + CO2 (3 points)

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III O Organic Chemistry Using wedges and dashes in skeletal structures Draw a skeletal ("line") structure for each of the molecules below. Be sure your structures show the important difference between the molecules. key O O O O O CHON Cl jiii iiiiiiii You can drag the slider to rotate the molecules. Explanation Check Click and drag to start drawing a structure. Q Search X G ©2025 McGraw Hill LLC. All Rights Reserved. Terms of Use F 3 W C 3/5

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 16.7, Problem 16.9P

(a)

Interpretation Introduction

Interpretation:

The energy diagram for the MOs of a planar cyclooctatetraenyl system using the polygon rule is to be drawn.

Concept introduction:

The conditions that a molecule must follow to be an aromatic are shown below.

The given compound must be cyclic in nature.

It must be planar.

There must be no sp3 hybridized carbon in the given compound.

The compound must follow Huckel’s rule of aromaticity that is (4n+2)π electron system must be present.

If the given compound follows first three conditions but it follows 4nπ electron system, then it is antiaromatic in nature. If the given compound fails to follow any of the above conditions then it is non-aromatic in nature.

(b)

Interpretation Introduction

Interpretation:

The filling of eight pi electrons for cyclooctatetraene, the nature of electronic configuration as aromatic or antiaromatic and the possibility of attaining aromaticity by the gain or loss of electrons is to be stated.

Concept introduction:

The conditions that a molecule must follow to be an aromatic are shown below.

The given compound must be a cyclic in nature.

It must be planar.

There must be no sp3 hybridized carbon in the given compound.

The compound must follow Huckel’s rule of aromaticity that is (4n+2)π electron system must be present.

If the given compound follows first three conditions but it follows 4nπ electrons, then it is antiaromatic in nature. If the given compound fails to follow any of the above conditions then it is non-aromatic in nature.

(c)

Interpretation Introduction

Interpretation:

The pictorial representations for the three bonding and the two non-bonding MOs of cyclooctatetraene are to be drawn.

Concept introduction:

Molecular orbital diagrams are used for determining the bonding in molecules using linear combination of atomic orbitals. Number of molecular orbitals formed is equal to the number of atomic orbitals that combine with each other.

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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 16.7, Problem 16.9P

(a)

Interpretation Introduction

Interpretation:

The energy diagram for the MOs of a planar cyclooctatetraenyl system using the polygon rule is to be drawn.

Concept introduction:

The conditions that a molecule must follow to be an aromatic are shown below.

The given compound must be cyclic in nature.

It must be planar.

There must be no sp3 hybridized carbon in the given compound.

The compound must follow Huckel’s rule of aromaticity that is (4n+2)π electron system must be present.

If the given compound follows first three conditions but it follows 4nπ electron system, then it is antiaromatic in nature. If the given compound fails to follow any of the above conditions then it is non-aromatic in nature.

(b)

Interpretation Introduction

Interpretation:

The filling of eight pi electrons for cyclooctatetraene, the nature of electronic configuration as aromatic or antiaromatic and the possibility of attaining aromaticity by the gain or loss of electrons is to be stated.

Concept introduction:

The conditions that a molecule must follow to be an aromatic are shown below.

The given compound must be a cyclic in nature.

It must be planar.

There must be no sp3 hybridized carbon in the given compound.

The compound must follow Huckel’s rule of aromaticity that is (4n+2)π electron system must be present.

If the given compound follows first three conditions but it follows 4nπ electrons, then it is antiaromatic in nature. If the given compound fails to follow any of the above conditions then it is non-aromatic in nature.

(c)

Interpretation Introduction

Interpretation:

The pictorial representations for the three bonding and the two non-bonding MOs of cyclooctatetraene are to be drawn.

Concept introduction:

Molecular orbital diagrams are used for determining the bonding in molecules using linear combination of atomic orbitals. Number of molecular orbitals formed is equal to the number of atomic orbitals that combine with each other.

Expert Solution & Answer

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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 16.7, Problem 16.9P

(a)

Interpretation Introduction