(a) Interpretation: The unbalanced oxidation and reduction half-reactions for the reaction Mn(s) + NO 3 − (aq) → Mn 2 + (aq) + NO 2 (g) should be written. Concept introduction: Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number. By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction. There are some rules for assigning oxidation numbers to atoms. In the elemental state, an atom has zero oxidation number. The oxidation number of monoatomic ions is equal to its charge In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion. The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

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Answer 1

Question

Chapter 19, Problem 19.47SP

Interpretation Introduction

(a)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn(s) + NO3−(aq) → Mn2+(aq) + NO2(g) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

Interpretation Introduction

(b)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn3+(aq) → Mn2+(aq) + MnO2(s) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

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Answer 2

Question

Chapter 19, Problem 19.47SP

Interpretation Introduction

(a)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn(s) + NO3−(aq) → Mn2+(aq) + NO2(g) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

Interpretation Introduction

(b)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn3+(aq) → Mn2+(aq) + MnO2(s) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

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Answer 3

Question

Chapter 19, Problem 19.47SP

Interpretation Introduction

(a)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn(s) + NO3−(aq) → Mn2+(aq) + NO2(g) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

Interpretation Introduction

(b)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn3+(aq) → Mn2+(aq) + MnO2(s) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

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Answer 4

Question

Chapter 19, Problem 19.47SP

Interpretation Introduction

(a)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn(s) + NO3−(aq) → Mn2+(aq) + NO2(g) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

Interpretation Introduction

(b)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn3+(aq) → Mn2+(aq) + MnO2(s) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

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Answer 5

Chapter 19, Problem 19.47SP

Interpretation Introduction

(a)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn(s) + NO3−(aq) → Mn2+(aq) + NO2(g) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

Interpretation Introduction

(b)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn3+(aq) → Mn2+(aq) + MnO2(s) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

Answer 6

Chapter 19, Problem 19.47SP

Interpretation Introduction

(a)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn(s) + NO3−(aq) → Mn2+(aq) + NO2(g) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

Answer 7

Chapter 19, Problem 19.47SP

Interpretation Introduction

(a)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn(s) + NO3−(aq) → Mn2+(aq) + NO2(g) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn3+(aq) → Mn2+(aq) + MnO2(s) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The unbalanced oxidation and reduction half-reactions for the reaction Mn3+(aq) → Mn2+(aq) + MnO2(s) should be written.

Concept introduction:

Oxidation is the loss of one or more electrons from a substance which is indicated by an increase in oxidation number and reduction is gain of one or more electrons from a substance which is indicated by a decrease in oxidation number.

By comparing the oxidation number of an atom before and after a reaction, it can be predicted whether the reaction is oxidation or a reduction reaction.

There are some rules for assigning oxidation numbers to atoms.

In the elemental state, an atom has zero oxidation number.

The oxidation number of monoatomic ions is equal to its charge

In a polyatomic ion, atom usually has the same oxidation number as it has in the monoatomic ion.

The sum of the oxidation number of polyatomic ions is equal to its net charge while zero for neutral compounds.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 19 - Balance the following net ionic equation by the...Ch. 19 - Balance the following net ionic equation by the...Ch. 19 - Prob. 19.3P Ch. 19 - Balance the following net ionic equation by the...Ch. 19 - Prob. 19.5P Ch. 19 - Prob. 19.6A Ch. 19 - PRACTICE 18.7 Write a balanced equation for the...Ch. 19 - Consider the following galvanic cell with...Ch. 19 - The standard cell potential at 25oC is 1.20 V for...Ch. 19 - The standard free-energy change is 59.8kJ for the...

Solution Summary: The author explains the unbalanced oxidation and reduction half-reactions for the reaction.

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