[constantly asking]

Aluminium...
ive got to answer a whole load of questions on aluminium...such as why would it be difficult to form an Al ion?
Al(H2O)6 is a common complex of ion in solution. why?
what would happen if NaOH (aq) was added dropwise to a solution of Al(NO3)3 (aq)? write an equation for this....and many more...
can anyone help me?that would be great.. i could then go and eat a trifle without feeling guilty..
thanks

[Albert]

what would happen if NaOH (aq) was added dropwise to a solution of Al(NO3)3 (aq)?

It yields trihydroxyaluminum Al(OH)₃, whose Ksp is very low. While Al(NO₃)₃ is soluble.

[Borek]

It yields trihydroxyaluminum Al(OH)₃, whose Ksp is very low. While Al(NO₃)₃ is soluble.

That's only first half of the story. Al(OH)3 is amphoteric.

[Albert]

Oh, yes, indeed. Going on adding OH^-, you'll dissolve your precipitate.

For what concerns the other two questions:

- Do you know what Fajans rules are? (for the former)
- Think about the dimension and charge of Al³⁺, for the latter.

[constantly asking]

Thank you!
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