(a) Interpretation: The element which one is oxidized and which one is reduced should be identified in the given reaction. 2Al( s )+3S( s ) → Al 2 S 3 ( s ) . Concept Introduction: The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction . In this reaction, transfer of electrons takes place among the elements. Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases. Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

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Answer 1

Question

Chapter 18, Problem 30QAP

Interpretation Introduction

(a)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2Al(s)+3S(s)→Al2S3(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(b)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2CH4(g)+2O2(g)→CO2(g)+2H2O(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(c)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

4Fe2O3(s)+3C(s)→2CO2(g)+4Fe(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(d)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

K2Cr2O7(aq)+14HCl(aq)→2KCl(aq)+2CrCl3(s)+7H2O(l)+3Cl2(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

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Answer 2

Question

Chapter 18, Problem 30QAP

Interpretation Introduction

(a)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2Al(s)+3S(s)→Al2S3(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(b)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2CH4(g)+2O2(g)→CO2(g)+2H2O(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(c)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

4Fe2O3(s)+3C(s)→2CO2(g)+4Fe(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(d)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

K2Cr2O7(aq)+14HCl(aq)→2KCl(aq)+2CrCl3(s)+7H2O(l)+3Cl2(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

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Answer 3

Question

Chapter 18, Problem 30QAP

Interpretation Introduction

(a)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2Al(s)+3S(s)→Al2S3(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(b)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2CH4(g)+2O2(g)→CO2(g)+2H2O(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(c)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

4Fe2O3(s)+3C(s)→2CO2(g)+4Fe(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(d)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

K2Cr2O7(aq)+14HCl(aq)→2KCl(aq)+2CrCl3(s)+7H2O(l)+3Cl2(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

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Answer 4

Question

Chapter 18, Problem 30QAP

Interpretation Introduction

(a)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2Al(s)+3S(s)→Al2S3(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(b)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2CH4(g)+2O2(g)→CO2(g)+2H2O(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(c)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

4Fe2O3(s)+3C(s)→2CO2(g)+4Fe(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(d)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

K2Cr2O7(aq)+14HCl(aq)→2KCl(aq)+2CrCl3(s)+7H2O(l)+3Cl2(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

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Answer 5

Chapter 18, Problem 30QAP

Interpretation Introduction

(a)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2Al(s)+3S(s)→Al2S3(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(b)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2CH4(g)+2O2(g)→CO2(g)+2H2O(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(c)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

4Fe2O3(s)+3C(s)→2CO2(g)+4Fe(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Interpretation Introduction

(d)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

K2Cr2O7(aq)+14HCl(aq)→2KCl(aq)+2CrCl3(s)+7H2O(l)+3Cl2(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Answer 6

Chapter 18, Problem 30QAP

Interpretation Introduction

(a)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2Al(s)+3S(s)→Al2S3(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Answer 7

Chapter 18, Problem 30QAP

Interpretation Introduction

(a)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2Al(s)+3S(s)→Al2S3(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2CH4(g)+2O2(g)→CO2(g)+2H2O(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

2CH4(g)+2O2(g)→CO2(g)+2H2O(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

4Fe2O3(s)+3C(s)→2CO2(g)+4Fe(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

4Fe2O3(s)+3C(s)→2CO2(g)+4Fe(s).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

K2Cr2O7(aq)+14HCl(aq)→2KCl(aq)+2CrCl3(s)+7H2O(l)+3Cl2(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The element which one is oxidized and which one is reduced should be identified in the given reaction.

K2Cr2O7(aq)+14HCl(aq)→2KCl(aq)+2CrCl3(s)+7H2O(l)+3Cl2(g).

Concept Introduction:

The chemical reaction in which both oxidation and reduction process takes place is known as redox reaction. In this reaction, transfer of electrons takes place among the elements.

Oxidation is the process in which either loss of electrons, oxidation number increases, or loss of hydrogen atoms takes place. An element is oxidized, when oxidation number increases.

Reduction is the process in which either gain of electrons, oxidation number decreases, or gain of hydrogen atoms takes place. An element is reduced, when oxidation number decreases.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 18.1 - Prob. 18.1SC Ch. 18.2 - Prob. 1CT Ch. 18.2 - Prob. 18.2SC Ch. 18.3 - Prob. 18.3SC Ch. 18.4 - Prob. 18.4SC Ch. 18.7 - Prob. 1CT Ch. 18 - Sketch a galvanic cell, and explain how it works....Ch. 18 - Prob. 2ALQ Ch. 18 - Which of the following are oxidation-reduction...Ch. 18 - Prob. 4ALQ

Solution Summary: The author explains the chemical reaction in which both oxidation and reduction process takes place is known as redox reaction.

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