Which metal can be used as a sacrificial electrode to

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

ISBN: 9780321809247 1

Solution for problem 15SAQ Chapter 18

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition

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Problem 15SAQ

Which metal can be used as a sacrificial electrode to prevent the rusting of an iron pipe?

a) Au

b) Ag

c) Cu

d) Mn

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Created by: Pratima Gangupantula for StudySoup NomenclatureGuide:IonicCompounds I. Madeupofonetypeofcationandonetypeofanion + + a. Theionscanbepolyatomic(ex.NotjustoneatomlikeNa ,butperhapsNH ) 4 II. Whennamingioniccompounds,thefirstwordinthenameisALWAYSthecation andthesecondwordisALWAYStheanion III. Therearenochangesinprefixorsuffixwhennamingioniccompounds. a. Takethenameofthecationandthenameoftheanion. b. DonotaddGreekprefixesforthequantityofeachion. IV. NOTE:Monoatomicanionsoftenhaveadifferentnamethantheirrespective element.KNOWTHENAMESOFCOMMONIONS a. MgCl :m2esiumion+chlorideion=magnesiumchloride(notmagnesium chlorine) b. NH I:4ammoniumion+iodideion=ammoniumiodide(notammoniumiodine) c. CaSO :4alciumion+sulfateion=calciumsulfate d. NaBrO :s4diumion+perbromateion=sodiumperbromate V. Sometransitionmetalshavemultiplepossibleions. 2+ 3+ a. Fe orF :Iron(II)orIron(III) b. Pb orPb :Lead(II)orLead(IV) c. Hg 2+Mercury(I) 2+ d. Hg Mercury(II) e. Therearemanymoretransitionmetalswithmultiplenamesdue

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