In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion COCI,2". Co2"(aq) is pink and CoCl,2 (aq) is blue. At Low Temperature the pink color predominates. At High Temperature the blue color is strong. If we represent the equilbrium as: Cocl, (aq)=Co*"(aq) + 4CI'(aq) We can conclude that: 1. This reaction is: A. Exothermic B. Endothermic C. Neutral D. More information is needed to answer this question. 2. When the temperature is decreased the equilibrium constant, K: A. Increases B. Decreases C. Remains the same D. More information is needed to answer this question. When the temperature is decreased the equilibrium concentration of CoCI,?: A. Increases B. Decreases C. Remains the same D. More information is needed to answer this question.

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.41PAE: Because calcium carbonate is a sink for CO32- in a lake, the student in Exercise 12.39 decides to go...
icon
Related questions
Question
In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion COCI,2". Co2"(aq) is pink and CoCl,2 (aq) is blue.
At Low Temperature the pink color predominates.
At High Temperature the blue color is strong.
If we represent the equilbrium as: Cocl, (aq)=Co*"(aq) + 4CI'(aq)
We can conclude that:
1. This reaction is:
A. Exothermic
B. Endothermic
C. Neutral
D. More information is needed to answer this question.
2. When the temperature is decreased the equilibrium constant, K:
A. Increases
B. Decreases
C. Remains the same
D. More information is needed to answer this question.
When the temperature is decreased the equilibrium concentration of CoCI,?:
A. Increases
B. Decreases
C. Remains the same
D. More information is needed to answer this question.
Transcribed Image Text:In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion COCI,2". Co2"(aq) is pink and CoCl,2 (aq) is blue. At Low Temperature the pink color predominates. At High Temperature the blue color is strong. If we represent the equilbrium as: Cocl, (aq)=Co*"(aq) + 4CI'(aq) We can conclude that: 1. This reaction is: A. Exothermic B. Endothermic C. Neutral D. More information is needed to answer this question. 2. When the temperature is decreased the equilibrium constant, K: A. Increases B. Decreases C. Remains the same D. More information is needed to answer this question. When the temperature is decreased the equilibrium concentration of CoCI,?: A. Increases B. Decreases C. Remains the same D. More information is needed to answer this question.
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Chemical Equilibrium
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry for Engineering Students
Chemistry for Engineering Students
Chemistry
ISBN:
9781337398909
Author:
Lawrence S. Brown, Tom Holme
Publisher:
Cengage Learning
General Chemistry - Standalone book (MindTap Cour…
General Chemistry - Standalone book (MindTap Cour…
Chemistry
ISBN:
9781305580343
Author:
Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:
Cengage Learning
Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:
9781938168390
Author:
Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:
OpenStax
Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning
Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
Chemistry
ISBN:
9781285199030
Author:
Steven S. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
Chemistry
ISBN:
9781337399425
Author:
Steven S. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning