91. Solving a chemistry problem

91. Solving a chemistry problem

198. If chlorine is passed through an alkaline solution containing a suspension of Cu (OH) 2, then the solution turns red due to the formation
cuprate ion [Cu(OH)4]-. Upon further addition of Ba(OH)2, a red precipitate of barium cuprate precipitates, which quickly turns black, releasing oxygen bubbles. Write equations for all the reactions that take place.

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