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  • Define water of crystallisation. Give the chemical formula for two compounds as examples. How can it be proved that the water of crystallisation makes a difference in the state and colour of the compounds ?   <div style="fl

Define water of crystallisation. Give the chemical formula for two compounds as examples. How can it be proved that the water of
crystallisation makes a difference in the state and colour of the compounds ?

 

 

 

 
 
 
 
 

Answers (1)

Water of crystallization is the fixed number of water molecules present in one formula unit of a salt

Examples CuSO4 .5H2O

Na2CO3.10 H2O

It be proved that the water of crystallisation makes a difference in the state and colour of the compounds by Heating a few crystals of hydrated copper sulphate( bluecolour) in a dry boiling tube. Water droplets are seen in the boiling tub.

Colour obtained: The colour of copper sulphate changes to white

State : The blue crystal changes to white powder

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Safeer PP

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