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alumina is insoluble in water why?

alumina is insoluble in water why?

Grade:12

3 Answers

grenade
2061 Points
6 years ago
Al2O3  is insoluble in water, because of its crystalline form, called corundum or α-aluminium oxide, its hardness makes it suitable for use as an abrasive and as a component in cutting tools
 
 
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jetryuwh
23 Points
3 years ago
it has high lattice energy and low heat of hydration. so it insoluble in water and its formula is al2o3
suhani
11 Points
3 years ago
it is not very reactive. strong triple bonds makes it very strong. as aluminum gives three electrons to oxygen per atom the bonding is very strong and hence it can not dissolve.

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