Asked by Sam

Al2O3 + 2NaOH = 2NaAlO2 +H2O
What is the conclusion that you take about nature of aluminum oxide with help of equation.Give reasons for conclusions?
Answered by Carter
You can say that Al has a +3 charge and O has a -2 charge and therefore AlO2 has a -1 charge.
Answered by Arora
The inference you can make this reaction is that Aluminum oxide is a basic oxide, because it forms a salt upon reacting with a base.

(Do keep in mind, however, that Al2O3 is amphoteric. From this reaction, you can only infer its basic nature)
Answered by Sam
Is not alminium electropositive?
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