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OpenStudy (anonymous):
Why is Aluminium oxide insoluble even though it is an ionic compound?
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OpenStudy (chmvijay):
bcoz the solubility of any compound depends on hydration energy of ionic compounds :) if hydration energy is greater than the lattice energy of crystal it will dissolve other wise it wont :) in this case lattice energy is higher than the hydration or salvation energy hence not soluble
OpenStudy (anonymous):
Great answer! Thanks!
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