Question

Define water of crystallisation give the chemical formula of two compounds as example how can it be proved that the water of crystallisation makes a difference in the state and colour of compound

Answer 1

Answer:

Water of crystallisation is a fixed no. of water molecules present in one formula unit of a salt.  The water molecules which form part of the structure of a crystal are called water of crystallisation.

water of crystallisation is CaSO4.5H2O which is hydrated copper sulphate and also gypsum is an example of water of crystallisation with formula CaSO4.2H2O

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