Al的化合价只有0价和+3价,没有中间价态,所以Al Al2O3 Al(OH)3 相互不反应,应该是相互转化吧?
4Al + 3O2 === 2Al2O3(条件:点燃)
2Al + Fe2O3 === Al2O3 + 2Fe(条件:高温)
2Al2O3 === 4Al + 3O2↑(条件:通电)
2Al(OH)3 === Al2O3 + 3H2O(条件:加热)
2Al + 6H2O==== 2Al(OH)3 + 3H2↑
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