Why do we take equimolar quantities of reacting compounds in the preparation of double salts?
Answers
Equimolar quantities of salts are taken for double salts preparation because the properties of the individual cation or anion does not change in double salts when dissociates and if salts are not in equimolar then they can get precipitate.
Explanation:
A double salt or alum consist of salts which are made up of different cations but same anion or can be different anion and same cations. The two salts are crystallized into ionic lattice. When dissolved in water double salts will dissociate in two simple ions which they are made up of. The properties of the individual salt does not change in double salts. If they are not in equimolar quantities there might occur precipatation reaction which is not required in double salt formation.
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