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In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion CoC14². Co²+ (aq) is pink and CoC14² (aq) is blue. At low temperature the pink color predominates. At high temperature the blue color is strong. If we represent the equilibrium as: + (aq) + 4Cl¯¯(aq) ⇒ CoCl² (aq) Co²+ We can conclude that: 1. This reaction is O exothermic. O endothermic. O neutral. O More information is needed to answer this question. 2. When the temperature is decreased the equilibrium constant, K: O increases. O decreases. O remains the same. O More information is needed to answer this question. 3. When the temperature is decreased the equilibrium concentration of Co²+: O increases. O decreases. O remains the same. O More information is needed to answer this question.

In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion CoC14². Co²+ (aq) is pink and CoC14² (aq) is blue. At low temperature the pink color predominates. At high temperature the blue color is strong. If we represent the equilibrium as: + (aq) + 4Cl¯¯(aq) ⇒ CoCl² (aq) Co²+ We can conclude that: 1. This reaction is O exothermic. O endothermic. O neutral. O More information is needed to answer this question. 2. When the temperature is decreased the equilibrium constant, K: O increases. O decreases. O remains the same. O More information is needed to answer this question. 3. When the temperature is decreased the equilibrium concentration of Co²+: O increases. O decreases. O remains the same. O More information is needed to answer this question.

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
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:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter17: Solubility And Complex-ion Equilibria
Section: Chapter Questions
Problem 17.103QP: Although silver chloride is insoluble in water, it readily dissolves upon the addition of ammonia....
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In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion CoC14². Co²+ (aq) is pink and CoC14² (aq) is blue. At low temperature the pink color predominates. At high temperature the blue color is strong. If we represent the equilibrium as: Co²+ (aq) + 4Cl¯¯(aq) ⇒ CoCl² (aq) We can conclude that: 1. This reaction is O exothermic. O endothermic. O neutral. O More information is needed to answer this question. 2. When the temperature is decreased the equilibrium constant, K: O increases. O decreases. O remains the same. O More information is needed to answer this question. 3. When the temperature is decreased the equilibrium concentration of Co²+: O increases. O decreases. O remains the same. O 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 CoC14². Co²+ (aq) is pink and CoC14² (aq) is blue. At low temperature the pink color predominates. At high temperature the blue color is strong. If we represent the equilibrium as: Co²+ (aq) + 4Cl¯¯(aq) ⇒ CoCl² (aq) We can conclude that: 1. This reaction is O exothermic. O endothermic. O neutral. O More information is needed to answer this question. 2. When the temperature is decreased the equilibrium constant, K: O increases. O decreases. O remains the same. O More information is needed to answer this question. 3. When the temperature is decreased the equilibrium concentration of Co²+: O increases. O decreases. O remains the same. O More information is needed to answer this question.
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