blue crystals of copper sulphate on heating in a dry test tube become colorless give reasons
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Answered by
130
Heya,
This is because CuSO4 Is chemically bonded with water to give the crystalline blu colur. On heating, the water evaporated, breaking the bond of CuSO4 and Water, thus giving a white precipitate. The reaction is like this-
Heating
CuSO4.H2O-------------> CuSO4 (Water evaporates)
This is because CuSO4 Is chemically bonded with water to give the crystalline blu colur. On heating, the water evaporated, breaking the bond of CuSO4 and Water, thus giving a white precipitate. The reaction is like this-
Heating
CuSO4.H2O-------------> CuSO4 (Water evaporates)
standardnavnee:
This is the best answer of this question as it is a perfect answer
Answered by
42
Crystals contain blue color due to presence of water molecules when we heat it water vapourises and leaves crystal color less
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