2 Ba2+ (aq) + Cr20,2 (aq) + H2O (1) =2 BaCrO4 (s) + 2 H* (aq) Dichromate forms orange aqueous solutions and barium chromate is a white solid. Ba(NO3)2 is placed into a test tube of aqueous K2Cr20, forming a colorless solution with a noticeable amount of white solid at the bottom. Use Le Chatelier's Principles to answer the following questions. A. What would you expect to observe if HCI was added to the test tube? Explain why the expected observation occurred. B. What could you add to the test tube to increase the amount of solid that would form? Explain why you chose that substance. C. You cool the test tube and notice an increase in the amount of solid formed in the solution. Explain what that suggests about the above reaction?
2 Ba2+ (aq) + Cr20,2 (aq) + H2O (1) =2 BaCrO4 (s) + 2 H* (aq) Dichromate forms orange aqueous solutions and barium chromate is a white solid. Ba(NO3)2 is placed into a test tube of aqueous K2Cr20, forming a colorless solution with a noticeable amount of white solid at the bottom. Use Le Chatelier's Principles to answer the following questions. A. What would you expect to observe if HCI was added to the test tube? Explain why the expected observation occurred. B. What could you add to the test tube to increase the amount of solid that would form? Explain why you chose that substance. C. You cool the test tube and notice an increase in the amount of solid formed in the solution. Explain what that suggests about the above reaction?
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter20: Transition Metals And Coordination Chemistry
Section: Chapter Questions
Problem 1ALQ
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Transcribed Image Text:2 Ba2+ (aq) + Cr20,2 (aq) + H2O (I) 2 BaCro4 (s) + 2 H* (aq)
Dichromate forms orange aqueous solutions and barium chromate is a white solid.
Ba(NO3)2 is placed into a test tube of aqueous K2Cr207 forming a colorless solution
with a noticeable amount of white solid at the bottom. Use Le Chatelier's Principles to
answer the following questions.
A. What would you expect to observe if HC was added to the test tube? Explain why
the expected observation occurred.
B. What could you add to the test tube to increase the amount of solid that would
form? Explain why you chose that substance.
C. You cool the test tube and notice an increase in the amount of solid formed in the
solution. Explain what that suggests about the above reaction?
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