Chemistry 2012 Student Edition (hard Cover) Grade 11
Chemistry 2012 Student Edition (hard Cover) Grade 11
12th Edition
ISBN: 9780132525763
Author: Prentice Hall
Publisher: Prentice Hall
Question
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Chapter 21, Problem 105A

(a)

Interpretation Introduction

Interpretation: The given reaction is a redox reaction needs to be identified. Also, the element oxidized and reduced needs to be identified.

  CaCO3sCaOs+CO2g

Concept Introduction: A reaction in which oxidation and reduction take place simultaneously is known as a redox reaction.

(a)

Expert Solution
Check Mark

Explanation of Solution

The given reaction is as follows:

  CaCO3sCaOs+CO2g

Here, the oxidation state of Ca in CaCO3 and CaO is +2 thus, Ca does not undergo oxidation or reduction. The oxidation state of C in CaCO3 and CO2 can be calculated as follows:

  CO32x+32=2x6=2x=2+6x=+4

  CO2x+22=0x4=0x=+4

Oxidation state of C is also the same it does not undergo oxidation or reduction.

Thus, the given reaction is not a redox reaction.

(b)

Interpretation Introduction

Interpretation: The given reaction is a redox reaction needs to be identified. Also, the element oxidized and reduced needs to be identified.

  Cas+Cl2gCaCl2s

Concept Introduction: A reaction in which oxidation and reduction take place simultaneously is known as a redox reaction.

(b)

Expert Solution
Check Mark

Explanation of Solution

The given reaction is as follows:

  Cas+Cl2gCaCl2s

Here, the oxidation state of Ca in Cas is 0 and that in CaCl2s is +2. Thus, oxidation of Ca takes place.

Similarly, the oxidation state of Cl2g is 0 and that of CaCl2s is -1. Thus, a reduction of Cl takes place.

In the given reaction since both reduction and oxidation takes place, the reaction is a redox reaction.

Here, the element oxidized is Ca and the element reduced is Cl.

(c)

Interpretation Introduction

Interpretation: The given reaction is a redox reaction needs to be identified. Also, the element oxidized and reduced needs to be identified.

  Cas+2H2OlCaOH2aq+H2g

Concept Introduction: A reaction in which oxidation and reduction take place simultaneously is known as a redox reaction.

(c)

Expert Solution
Check Mark

Explanation of Solution

The given reaction is as follows:

  Cas+2H2OlCaOH2aq+H2g

The oxidation state of Ca in Cas and CaOH2aq is 0 and +2 respectively. Similarly, the oxidation state of H in H2Ol and H2g is +1 and 0 respectively.

Since both oxidation and reduction reactions take place, the above reaction is a redox reaction.

Here, the element oxidized is Ca and the element reduced is H.

Chapter 21 Solutions

Chemistry 2012 Student Edition (hard Cover) Grade 11

Ch. 21.2 - Prob. 11SPCh. 21.2 - Prob. 12SPCh. 21.2 - Prob. 13SPCh. 21.2 - Prob. 14LCCh. 21.2 - Prob. 15LCCh. 21.2 - Prob. 16LCCh. 21.2 - Prob. 17LCCh. 21.2 - Prob. 18LCCh. 21.2 - Prob. 19LCCh. 21.3 - Prob. 20LCCh. 21.3 - Prob. 21LCCh. 21.3 - Prob. 22LCCh. 21.3 - Prob. 23LCCh. 21.3 - Prob. 24LCCh. 21.3 - Prob. 25LCCh. 21 - Prob. 26ACh. 21 - Prob. 27ACh. 21 - Prob. 28ACh. 21 - Prob. 29ACh. 21 - Prob. 30ACh. 21 - Prob. 31ACh. 21 - Prob. 32ACh. 21 - Prob. 33ACh. 21 - Prob. 34ACh. 21 - Prob. 35ACh. 21 - Prob. 36ACh. 21 - Prob. 37ACh. 21 - Prob. 38ACh. 21 - Prob. 39ACh. 21 - Prob. 40ACh. 21 - Prob. 41ACh. 21 - Prob. 42ACh. 21 - Prob. 43ACh. 21 - Prob. 44ACh. 21 - Prob. 45ACh. 21 - Prob. 46ACh. 21 - Prob. 47ACh. 21 - Prob. 48ACh. 21 - Prob. 49ACh. 21 - Prob. 50ACh. 21 - Prob. 51ACh. 21 - Prob. 52ACh. 21 - Prob. 53ACh. 21 - Prob. 54ACh. 21 - Prob. 55ACh. 21 - Prob. 56ACh. 21 - Prob. 57ACh. 21 - Prob. 58ACh. 21 - Prob. 59ACh. 21 - Prob. 60ACh. 21 - Prob. 61ACh. 21 - Prob. 62ACh. 21 - Prob. 63ACh. 21 - Prob. 64ACh. 21 - Prob. 65ACh. 21 - Prob. 66ACh. 21 - Prob. 67ACh. 21 - Prob. 68ACh. 21 - Prob. 69ACh. 21 - Prob. 70ACh. 21 - Prob. 71ACh. 21 - Prob. 72ACh. 21 - Prob. 73ACh. 21 - Prob. 74ACh. 21 - Prob. 75ACh. 21 - Prob. 76ACh. 21 - Prob. 77ACh. 21 - Prob. 78ACh. 21 - Prob. 79ACh. 21 - Prob. 80ACh. 21 - Prob. 81ACh. 21 - Prob. 82ACh. 21 - Prob. 83ACh. 21 - Prob. 84ACh. 21 - Prob. 85ACh. 21 - Prob. 86ACh. 21 - Prob. 87ACh. 21 - Prob. 88ACh. 21 - Prob. 89ACh. 21 - Prob. 90ACh. 21 - Prob. 91ACh. 21 - Prob. 92ACh. 21 - Prob. 93ACh. 21 - Prob. 94ACh. 21 - Prob. 95ACh. 21 - Prob. 96ACh. 21 - Prob. 97ACh. 21 - Prob. 98ACh. 21 - Prob. 99ACh. 21 - Prob. 100ACh. 21 - Prob. 101ACh. 21 - Prob. 102ACh. 21 - Prob. 103ACh. 21 - Prob. 104ACh. 21 - Prob. 105ACh. 21 - Prob. 106ACh. 21 - Prob. 1STPCh. 21 - Prob. 2STPCh. 21 - Prob. 3STPCh. 21 - Prob. 4STPCh. 21 - Prob. 5STPCh. 21 - Prob. 6STPCh. 21 - Prob. 7STPCh. 21 - Prob. 8STPCh. 21 - Prob. 9STPCh. 21 - Prob. 10STPCh. 21 - Prob. 11STPCh. 21 - Prob. 12STPCh. 21 - Prob. 13STP
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