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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

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 35P
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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: Green to colourless Orange to green Colourless to green Green to orange Which 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 Gold Magnesium O Copper Cadmium Which 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)
Transcribed Image Text: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 colourless Orange to green Colourless to green Green to orange Which 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 Gold Magnesium O Copper Cadmium Which 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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