mgcl2.6h2o reaction
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MgCl2. 6H2O----heating----》MgCl2 +6H2O.
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This chemical is known as hydrated Magnesium Chloride.
When Magnesium Chloride is heated, all the water of crystallization is lost to form anhydrous Magnesium Chloride.
This method however cannot be used to prepare anhydrous Magnesium Chloride.
This is because when Magnesium Chloride is heated it undergoes partial hydrolysis thus the formed salt of Magnesium Chloride is not 100% anhydrous.
Magnesium Chloride however doesn't however decompose on heating, it only loses its water of crystallization.
The equation for the reaction is thus :
MgCl₂. 6H₂O (s) —heat—> MgCl₂ (s) + 6H₂O (g)
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