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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Considering both formal charges and bond polarities, predict on which atom or atoms the negative charge resides in the following anions:

  1. (a) OH
  2. (b) BH4
  3. (c) CH3CO2

(a)

Interpretation Introduction

Interpretation:

The atom or atoms that the negative charge resides on the given anion has to be identified.

Concept Introduction:

The unequal distribution of shared electrons caused by differences in electronegativity between bonded atoms is called bond polarity.

Formal charge: The charge that is given to an atom in a molecule by assuming that the shared electrons between the two bonded atoms are equally shared between them.

The formal charge on an atom could be calculated as followed:

Formalcharge=NvalenceNnonbondedNbond2

Explanation

The given atom is OH

The formal charge on O=6462=1

(b)

Interpretation Introduction

Interpretation:

The atom or atoms that the negative charge resides on the given anion has to be identified.

Concept Introduction:

The unequal distribution of shared electrons caused by differences in electronegativity between bonded atoms is called bond polarity.

Formal charge: The charge that is given to an atom in a molecule by assuming that the shared electrons between the two bonded atoms are equally shared between them.

The formal charge on an atom could be calculated as followed:

Formalcharge=NvalenceNnonbondedNbond2

(c)

Interpretation Introduction

Interpretation:

The atom or atoms that the negative charge resides on the given anion has to be identified.

Concept Introduction:

The unequal distribution of shared electrons caused by differences in electronegativity between bonded atoms is called bond polarity.

Formal charge: The charge that is given to an atom in a molecule by assuming that the shared electrons between the two bonded atoms are equally shared between them.

The formal charge on an atom could be calculated as followed:

Formalcharge=NvalenceNnonbondedNbond2

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