An electrochemical change occurs when a strip of nickel is immersed in an acidified solution that contains dichromate ions.The colour change that occurs as the reaction above proceeds is:Select one:Green to colourlessOrange to greenColourless to greenGreen to orangeWhich of the following metals could have been used instead of nickel in order to maintain the original colour of the solution described above?Select one:O GoldMagnesiumO CopperCadmiumWhich of the following entities will react spontaneously with Cd(s) but not with Ni(s)?Select one:Sn²+ (aq)Cr²+ (aq)Coz+(aq)H₂Se(aq)

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An electrochemical change occurs when a strip of nickel is immersed in an acidified solution that contains dichromate ions. The colour change that occurs as the reaction above proceeds is: Select one: O Green to colourless Orange to green Colourless to green Green to orange

An electrochemical change occurs when a strip of nickel is immersed in an acidified solution that contains dichromate ions. The colour change that occurs as the reaction above proceeds is: Select one: O Green to colourless Orange to green Colourless to green Green to orange

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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