ICSE Class 10 Answered
How to prepare tetrammine copper (II) sulphate from ammonia.
Asked by Topperlearning User | 29 Jun, 2016, 04:47: PM
Expert Answer
When conc. solution of NH3 is added to conc. solution of copper sulphate, a light blue precipitate of copper (II) hydroxide is formed.
CuSO4 + 2NH4OH → Cu(OH)2 + (NH4)2 SO4
Copper (II) hydroxide
Cu(OH)2 + (NH4)2 SO4 + 2NH4OH → [Cu(NH3)4]2+ SO4 – 2 + 4H2O
Tetrammine copper (II) sulphate (Deep blue)
Answered by | 29 Jun, 2016, 06:47: PM
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