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प्रश्न
Give the ionisation behaviour of the following salt:
Potash alum
लघु उत्तर
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उत्तर
Potash alum has the chemical formula is KAl(SO4)2.12H2O.
When dissolved in water, potash alum dissociates completely into its constituent simple ions:
\[\ce{KAl(SO4)2 -> K+ + Al3+ + SO^2-_4}\]
In aqueous solution, potash alum furnishes:
K+, Al3+, \[\ce{SO^2-_4}\]ions
No complex ions are formed. Potash alum is a double salt that dissociates completely.
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