Question

What colour is cuso4.5h2o? What is its common name?

Answer 1

blue colour

copper sulphate pentahydrate

Answer 2

Thanks for the Query !!!

Answer:

CuSO₄.5H₂O is also known as Copper Sulphate Pentahydrate.

The colour of this salt in blue in colour.

Reason for Blue Colour:

• Due to the presence of Water of crystallisation, the colour of salt changes.
• The water molecules get inside the voids present in the structure of Copper Sulphate due to which it gives rise to Blue colour.
• When the salt is heated, all water evaporates from the system giving a plain white colour concluding that Water of crystallisation is the reason for colour change.

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