Mixture of three molecules are separated on a C − 18 column using methanol/water as the mobile phase, following answer is should be identified. Concept Introduction: London dispersion force also called an induced dipole-induced dipole attraction is a temporary attractive force that results when the electrons in two adjacent atoms occupy positions that make the atoms form temporary dipoles. Dipole-dipole interaction results when two dipolar molecules interact with each other through space, there occurs a partially negative charge of one of the polar molecules is attracted to the partially positive charge of the second polar molecule. Ion-dipole interaction results of an electrostatic interaction between a charged ion and a molecule that has a dipole. A hydrogen bonding is partially an electrostatic attraction between H atom which is bonded to more electronegative atom such as N, O, or F and another adjacent atom bearing a lone pair of electron.

Question

1. Part 1: Naming Organic Compounds он H₁C-C-CH3 CH3 Br CI CI 2. Br-CH-CH-CH₂ H₂C-CH-C= -CH-CH2-CH3 3. HC-CH-CH-C-OH 5. H₂C-CH-CH₂-OH 7. OH 4. CH CH₂-CH₂ 6. сно CH-CH-CH-CH₂-CH₂ H₁₂C-CH-CH-CH-CH₁₂-CH₁₂ 8. OH

Answer 1

Question

Chapter 11.A, Problem 1Q

(a)

Interpretation Introduction

Interpretation:

Mixture of three molecules are separated on a C−18 column using methanol/water as the mobile phase, following answer is should be identified.

Concept Introduction:

London dispersion force also called an induced dipole-induced dipole attraction is a temporary attractive force that results when the electrons in two adjacent atoms occupy positions that make the atoms form temporary dipoles.

Dipole-dipole interaction results when two dipolar molecules interact with each other through space, there occurs a partially negative charge of one of the polar molecules is attracted to the partially positive charge of the second polar molecule.

Ion-dipole interaction results of an electrostatic interaction between a charged ion and a molecule that has a dipole.

A hydrogen bonding is partially an electrostatic attraction between H atom which is bonded to more electronegative atom such as N, O, or F and another adjacent atom bearing a lone pair of electron.

(b).

Interpretation Introduction

Interpretation:

It should be determine that which molecules is most attracted to the stationary phase, and what are the forces that attract the molecule to the non-polar phase.

Concept Introduction:

London dispersion force also called an induced dipole-induced dipole attraction is a temporary attractive force that results when the electrons in two adjacent atoms occupy positions that make the atoms form temporary dipoles.

Dipole-dipole interaction results when two dipolar molecules interact with each other through space, there occurs a partially negative charge of one of the polar molecules is attracted to the partially positive charge of the second polar molecule.

Ion-dipole interaction results of an electrostatic interaction between a charged ion and a molecule that has a dipole.

A hydrogen bonding is partially an electrostatic attraction between H atom which is bonded to more electronegative atom such as N, O, or F and another adjacent atom bearing a lone pair of electron.

(c).

Interpretation Introduction

Interpretation:

It should be determine that which molecules is most attracted to the stationary phase, and what are the forces that attract the molecule to the non-polar phase.

Concept Introduction:

London dispersion: This force also called an induced dipole-induced dipole attraction is a temporary attractive force that results when the electrons in two adjacent atoms occupy positions that make the atoms form temporary dipoles.

Dipole-dipole interaction: Dipole interaction results when two dipolar molecules interact with each other through space, there occurs a partially negative charge of one of the polar molecules is attracted to the partially positive charge of the second polar molecule.

Ion-dipole interaction results of an electrostatic interaction between a charged ion and a molecule that has a dipole.

A hydrogen bonding is partially an electrostatic attraction between H atom which is bonded to more electronegative atom such as N, O, or F and another adjacent atom bearing a lone pair of electron.

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