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Chemistry & Chemical Reactivity

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

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Chapter
Section
BuyFindarrow_forward

Chemistry & Chemical Reactivity

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

Determine the oxidation number of each element in the following ions or compounds.

(a) BrO3-

(b) C2O42-

(c) F-

(d) CaH2

(e) H4SiO4

(f) HSO4-

(a)

Interpretation Introduction

Interpretation:

Oxidation number of each element in the given ion or compound should be identified.

Concept introduction:

The oxidation state is called as oxidation number, which describes degree of oxidation (loss of electrons) of an atom in a chemical compound.  Theoretically, the oxidation state is positive, negative or zero.

Explanation

The given compound is Bromate ion and which is not a neutral compound.  The oxidation number of oxygen is -2, therefore the oxidation state of bromine in Bromate is given below,

Net charge on bromate ion is equal to sum of the oxidation number of bromine atom and three oxygen atoms.  Therefore,

Net charge = Number of oxidation state of oxygen atom + Number of oxidation state of hydrogen atom -1 = 1 + (x)

(b)

Interpretation Introduction

Interpretation:

Oxidation number of each element in the given ion or compound should be identified.

Concept introduction:

The oxidation state is called as oxidation number, which describes degree of oxidation (loss of electrons) of an atom in a chemical compound.  Theoretically, the oxidation state is positive, negative or zero.

(c)

Interpretation Introduction

Interpretation:

Oxidation number of each element in the given ion or compound should be identified.

Concept introduction:

The oxidation state is called as oxidation number, which describes degree of oxidation (loss of electrons) of an atom in a chemical compound.  Theoretically, the oxidation state is positive, negative or zero.

(d)

Interpretation Introduction

Interpretation:

Oxidation number of each element in the given ion or compound should be identified.

Concept introduction:

The oxidation state is called as oxidation number, which describes degree of oxidation (loss of electrons) of an atom in a chemical compound.  Theoretically, the oxidation state is positive, negative or zero.

(e)

Interpretation Introduction

Interpretation:

Oxidation number of each element in the given ion or compound should be identified.

Concept introduction:

The oxidation state is called as oxidation number, which describes degree of oxidation (loss of electrons) of an atom in a chemical compound.  Theoretically, the oxidation state is positive, negative or zero.

(f)

Interpretation Introduction

Interpretation:

Oxidation number of each element in the given ion or compound should be identified.

Concept introduction:

The oxidation state is called as oxidation number, which describes degree of oxidation (loss of electrons) of an atom in a chemical compound.  Theoretically, the oxidation state is positive, negative or zero.

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