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Grade: 12

                        

alumina is insoluble in water why?

5 years ago

Answers : (3)

grenade
2061 Points
							
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
 
 
approve if useful
5 years ago
jetryuwh
23 Points
							
it has high lattice energy and low heat of hydration. so it insoluble in water and its formula is al2o3
2 years ago
suhani
11 Points
							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.
						
2 years ago
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