ICSE Class 10 Answered
Write the observations and balanced equations for the following reactions.
.Ammoium hydroxide is added first in small quantity and then in excess to the solution of copper sulphate.
Asked by sreenivasanmaralapadu | 04 May, 2015, 06:55: PM
Expert Answer
CuSO4 + 2NH4OH → Cu(OH)2 + (NH4)2SO4
(Pale blue ppt.) (Colourless in solution)
With excess of NH4OH ppt. dissolves
Cu(OH)2 + (NH4)2SO4 + 2NH4OH → [Cu(NH3)4]SO4 + 4H2O
Tetrammine
Copper(II) sulphate
(Deep blue solution)
Answered by | 04 May, 2015, 06:58: PM
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