Question

Explain the given reaction:
Hydrated alumina is treated with aqueous NaOH solution.

Answer 1

ĀNSWĒR ⏬

✴ In this reaction alumina dissolves in aqueous NaOH solution to form sodium meta aluminate.


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Answer 2

Hey dear,

◆ Reaction of hydrated alumina with aqueous sodium hydroxide solution -

Formula of hydrated alumina is Al2O3.2H2O

Hydrated alumina (Al2O3.2H2O) when treated with sodium hydroxide (NaOH), sodium meta-aluminate (NaAlO2) is formed. Water (H2O) is formed as byproduct in this reaction.

Al2O3.2H2O + 2 NaOH → 2 NaAlO2 + 3 H2O

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