4. A chromate in a water solution exists in equilibrium with the corresponding dichrarhate ion according to the following equation: Cro, + 2H* + Cr20; + H20 Yellow orange Predict the color changes that will be produced upon the additlon of the following substances to the system and indicate in which direction the equllibrium is displaced. a) HCI b) H20

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
Chapter16: Solubility And Precipitation Equilibria
Section: Chapter Questions
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4. A chromate in a water solution exists in equilibrium with the corresponding dichrarhate
lon according to the following equation:
Cro, + 2H* > Cr20; + H20
Yellow
orange
Predict the color changes that will be produced upon the addition of the following
substances to the system and indicate in which direction the equllibrium is displaced,
a)
HCI
b)
H20
Transcribed Image Text:4. A chromate in a water solution exists in equilibrium with the corresponding dichrarhate lon according to the following equation: Cro, + 2H* > Cr20; + H20 Yellow orange Predict the color changes that will be produced upon the addition of the following substances to the system and indicate in which direction the equllibrium is displaced, a) HCI b) H20
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