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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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On the basis of the electronegativity values given in Fig. 12.3, indicate which is the more polar bond in each of the following pairs.

msp;  a .  H F or H Cl                                                           c .  H Br or H Cl b .  H Cl or H I                                                               d .  H I or H Br

Interpretation Introduction

(a)

Interpretation:

On the basis of electronegativity values, the more polar bond in the given pair of bonds is to be stated.

Concept Introduction:

The chemical bond that exists between two atoms in which electrons are distributed in an unequal amount is known as polar bond. Due to this unequal distribution of electrons, the molecule will possess the dipole moment in which one end will have partial positive charge and the other end will have partial negative charge.

The ability that is possessed by an atom to attract the bonding pair of electrons towards itself is known as electronegativity. The electronegativity decreases while going down the group and increases while moving left to right in the period.

Explanation

The given pair of bonds is HF and HCl.

The electronegativity value of hydrogen is 2.1.

The electronegativity value of chlorine is 3.0.

The electronegativity value of fluorine is 4.0.

The difference in the electronegativity values for HF bond is,

Differenceinelectronegativity for HF bond=4.02.1=1.9

The difference in the electronegativity values for HCl bond is,

Differenceinelectronegativity for HCl bond=3

Interpretation Introduction

(b)

Interpretation:

On the basis of electronegativity values, the more polar bond in the given pair of bonds is to be stated.

Concept Introduction:

The chemical bond that exists between two atoms in which electrons are distributed in an unequal amount is known as polar bond. Due to this unequal distribution of electrons, the molecule will possess the dipole moment in which one end will have partial positive charge and the other end will have partial negative charge.

The ability that is possessed by an atom to attract the bonding pair of electrons towards itself is known as electronegativity. The electronegativity decreases while going down the group and increases while moving left to right in the period.

Interpretation Introduction

(c)

Interpretation:

On the basis of electronegativity values, the more polar bond in the given pair of bonds is to be stated.

Concept Introduction:

The chemical bond that exists between two atoms in which electrons are distributed in an unequal amount is known as polar bond. Due to this unequal distribution of electrons, the molecule will possess the dipole moment in which one end will have partial positive charge and the other end will have partial negative charge.

The ability that is possessed by an atom to attract the bonding pair of electrons towards itself is known as electronegativity. The electronegativity decreases while going down the group and increases while moving left to right in the period.

Interpretation Introduction

(d)

Interpretation:

On the basis of electronegativity values, the more polar bond in the given pair of bonds is to be stated.

Concept Introduction:

The chemical bond that exists between two atoms in which electrons are distributed in an unequal amount is known as polar bond. Due to this unequal distribution of electrons, the molecule will possess the dipole moment in which one end will have partial positive charge and the other end will have partial negative charge.

The ability that is possessed by an atom to attract the bonding pair of electrons towards itself is known as electronegativity. The electronegativity decreases while going down the group and increases while moving left to right in the period.

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