(a) Interpretation: Whether the following molecule has a liquid crystalline phase or not should be determined. Concept introduction: Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid. Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry. The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C = N . The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond. Types of liquid crystal are as follows: Nematic Liquid crystal. Smectic Liquid crystal. 1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned. 2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

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Answer 1

Question

Chapter 11, Problem 11.68SP

Interpretation Introduction

(a)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Interpretation Introduction

(b)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Interpretation Introduction

(c)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

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-Page: 8 nsition metal ions have high-spin aqua complexes except one: [Co(HO)₁]". What is the d-configuration, oxidation state of the metal in [Co(H:O))"? Name and draw the geometry of [Co(H2O)]? b) Draw energy diagrams showing the splitting of the five d orbitals of Co for the two possible electron configurations of [Co(H2O)]: Knowing that A = 16 750 cm and Пl. = 21 000 cm, calculate the configuration energy (.e., balance or ligand-field stabilization energy and pairing energy) for both low spin and high spin configurations of [Co(H2O)]. Which configuration seems more stable at this point of the analysis? (Note that 349.76 cm = 1 kJ/mol) Exchange energy (IT) was not taken into account in part (d), but it plays a role. Assuming exchange an occur within t29 and within eg (but not between tz, and ea), how many exchanges are possible in the low in configuration vs in the high spin configuration? What can you say about the importance of exchange energy 07

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Answer 2

Question

Chapter 11, Problem 11.68SP

Interpretation Introduction

(a)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Interpretation Introduction

(b)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Interpretation Introduction

(c)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

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Answer 3

Question

Chapter 11, Problem 11.68SP

Interpretation Introduction

(a)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Interpretation Introduction

(b)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Interpretation Introduction

(c)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

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Answer 4

Question

Chapter 11, Problem 11.68SP

Interpretation Introduction

(a)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Interpretation Introduction

(b)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Interpretation Introduction

(c)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

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Answer 5

Chapter 11, Problem 11.68SP

Interpretation Introduction

(a)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Interpretation Introduction

(b)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Interpretation Introduction

(c)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Answer 6

Chapter 11, Problem 11.68SP

Interpretation Introduction

(a)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Answer 7

Chapter 11, Problem 11.68SP

Interpretation Introduction

(a)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Answer 10

Interpretation Introduction

(c)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Answer 11

Interpretation Introduction

(c)

Interpretation:

Whether the following molecule has a liquid crystalline phase or not should be determined.

Concept introduction:

Liquid crystals are defined as a phase in which substance exhibits properties of both liquids and solids. Liquid crystal flow like a liquid but their arrangement of the molecule as well as intermolecular forces is like solid.

Liquid crystal molecules are made up of six-membered rings with on terminal polar group, a linkage group and a side chain of carbon atoms. Each carbon atom in liquid crystal molecules has trigonal planar geometry.

The molecules are rigid. The rigidity is increased due to the presence of double-bonded linkage groups such as C=N.

The terminal polar groups exhibit strong intermolecular forces such as strong dipole-dipole interaction or dipole−induced dipole interaction and hydrogen bond.

Types of liquid crystal are as follows:

Nematic Liquid crystal.

Smectic Liquid crystal.

1. Nematic Liquid crystal: The molecules in the nematic phase are in the same direction and can move around freely very much like that of liquid. In this, the axis is parallel but the ends are not aligned.

2. Smectic Liquid crystal: The molecules in the smectic phase are perpendicular to the plane and are aligned in layers. In these, the long axis is parallel and also their ends are aligned.

Answer 12

Expert Solution & Answer

Answer 13

Expert Solution & Answer

Answer 14

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Answer 15

Ch. 11 - Prob. 11.1P Ch. 11 - The normal boiling point of water is 100.0 C, and...Ch. 11 - PRACTICE 11.1 The boiling point of ethanol is 78.4...Ch. 11 - APPLY 11.2 Chloroform CHCl3 has Hvap=29.2kJ/mol...Ch. 11 - How much heat is required to convert15.0 g of...Ch. 11 - APPLY 11.4 What is the sign and magnitude of q...Ch. 11 - Look at the phase diagram of H2O in Figure 11.7,...Ch. 11 - Prob. 11.8A Ch. 11 - Why was a new solvent needed for extracting...Ch. 11 - A fire extinguisher containing carbon dioxide has...

Solution Summary: The author defines liquid crystals as a phase in which substance exhibits properties of both liquids and solids.

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Chapter 11 Solutions