Cobalt ions form complex ions with water and chloride as shown in the reaction. The left side of the reaction is pink, and the right side of the reaction is blue.
Co(H2O)62+ + 4Cl−+heat ⇌ CoCl42−+6H2O
Which statement about the system at equilibrium is correct?
(1 point)
Responses
Adding hydrogen chloride (HCl) to a blue solution will turn it purple.
Adding hydrogen chloride (HCl) to a blue solution will turn it purple.
Cooling a purple solution will turn it pink.
Cooling a purple solution will turn it pink.
Adding water to a purple solution will turn it blue.
Adding water to a purple solution will turn it blue.
Heating a blue solution will turn it purple.