In an aqueous chloride solution cobalt(ii) exists in equilibrium with the complex ion cocl42-. co2 (aq) is pink and cocl42-(aq) is blue. at low temperature the pink color predominates. at high temperature the blue color is strong. if we represent the equilibrium as: cocl42-(aq) co2 (aq) 4cl-(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. 3. when the temperature is decreased the equilibrium concentration of co2 :
a. increases
b. decreases
c. remains the same
d. more information is needed to answer this quest
Answers: 1
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In an aqueous chloride solution cobalt(ii) exists in equilibrium with the complex ion cocl42-. co2 (...
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