Glencoe Chemistry: Matter and Change, Student Edition
1st Edition
ISBN: 9780076774609
Author: McGraw-Hill Education
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Question
Chapter 20, Problem 80A
Interpretation Introduction
Interpretation:
Explain if the coating of copper would protect iron from rusting or not.
Concept introduction:
A metal coating can protect another metal from corrosion if it is of a lower reduction potential than the target metal.
Expert Solution & Answer
Answer to Problem 80A
Copper would not be able to protect iron from corrosion if the coating becomes broken or cracked because copper has a higher reduction potential than iron.
Explanation of Solution
The metal to be plated on iron must have a lower reduction potential than iron it self so that it can act as a sacrificial anode during rusting and protect iron but in the case of copper it has higher reduction potential than iron so it will not be able to protect the metal once the coating breaks.
Conclusion
A cracked or broken copper coating cannot protect iron due to its higher reduction potential.
Chapter 20 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
Ch. 20.1 - Prob. 1PPCh. 20.1 - Prob. 2PPCh. 20.1 - Prob. 3PPCh. 20.1 - Prob. 4PPCh. 20.1 - Prob. 5PPCh. 20.1 - Prob. 6PPCh. 20.1 - Prob. 7PPCh. 20.1 - Prob. 8PPCh. 20.1 - Prob. 9PPCh. 20.1 - Prob. 10SSC
Ch. 20.1 - Prob. 11SSCCh. 20.1 - Prob. 12SSCCh. 20.1 - Prob. 13SSCCh. 20.1 - Prob. 14SSCCh. 20.2 - Prob. 15SSCCh. 20.2 - Prob. 16SSCCh. 20.2 - Prob. 17SSCCh. 20.2 - Prob. 18SSCCh. 20.2 - Prob. 19SSCCh. 20.2 - Prob. 20SSCCh. 20.2 - Prob. 21SSCCh. 20.3 - Prob. 22SSCCh. 20.3 - Prob. 23SSCCh. 20.3 - Prob. 24SSCCh. 20.3 - Prob. 25SSCCh. 20.3 - Prob. 26SSCCh. 20.3 - Prob. 27SSCCh. 20.3 - Prob. 28SSCCh. 20.3 - Prob. 29SSCCh. 20 - Prob. 30ACh. 20 - Prob. 31ACh. 20 - Prob. 32ACh. 20 - Prob. 33ACh. 20 - Prob. 34ACh. 20 - Prob. 35ACh. 20 - Prob. 36ACh. 20 - Prob. 37ACh. 20 - Prob. 38ACh. 20 - Prob. 39ACh. 20 - Prob. 40ACh. 20 - Prob. 41ACh. 20 - Prob. 42ACh. 20 - Prob. 43ACh. 20 - Prob. 44ACh. 20 - Prob. 45ACh. 20 - Prob. 46ACh. 20 - Prob. 47ACh. 20 - Prob. 48ACh. 20 - Prob. 49ACh. 20 - Prob. 50ACh. 20 - Prob. 51ACh. 20 - Prob. 52ACh. 20 - Prob. 53ACh. 20 - Prob. 54ACh. 20 - Prob. 55ACh. 20 - Prob. 56ACh. 20 - Prob. 57ACh. 20 - Prob. 58ACh. 20 - Prob. 59ACh. 20 - Prob. 60ACh. 20 - Prob. 61ACh. 20 - Prob. 62ACh. 20 - Prob. 63ACh. 20 - Prob. 64ACh. 20 - Prob. 65ACh. 20 - Prob. 66ACh. 20 - Prob. 67ACh. 20 - Prob. 68ACh. 20 - Prob. 69ACh. 20 - Prob. 70ACh. 20 - Prob. 71ACh. 20 - Prob. 72ACh. 20 - Prob. 73ACh. 20 - Prob. 74ACh. 20 - Prob. 75ACh. 20 - Prob. 76ACh. 20 - Prob. 77ACh. 20 - Prob. 78ACh. 20 - Prob. 79ACh. 20 - Prob. 80ACh. 20 - Prob. 81ACh. 20 - Prob. 82ACh. 20 - Prob. 83ACh. 20 - Prob. 84ACh. 20 - Prob. 85ACh. 20 - Prob. 86ACh. 20 - Prob. 87ACh. 20 - Prob. 88ACh. 20 - Prob. 89ACh. 20 - Prob. 90ACh. 20 - Prob. 91ACh. 20 - Prob. 92ACh. 20 - Prob. 93ACh. 20 - Prob. 94ACh. 20 - Prob. 95ACh. 20 - Prob. 96ACh. 20 - Prob. 97ACh. 20 - Prob. 98ACh. 20 - Prob. 1STPCh. 20 - Prob. 2STPCh. 20 - Prob. 3STPCh. 20 - Prob. 4STPCh. 20 - Prob. 5STPCh. 20 - Prob. 6STPCh. 20 - Prob. 7STPCh. 20 - Prob. 8STPCh. 20 - Prob. 9STPCh. 20 - Prob. 10STPCh. 20 - Prob. 11STPCh. 20 - Prob. 12STPCh. 20 - Prob. 13STPCh. 20 - Prob. 14STPCh. 20 - Prob. 15STP
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