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The complex formed when Al2 O3 is leache...

The complex formed when `Al_2 O_3` is leached from Bauxite using concentrated NaOH solution is,

A

`Na[Al(OH)_4]`

B

`NaAl_2//O_4`

C

`Na_2[Al(OH)_3]`

D

`Na_2 AlO_2`

Text Solution

Verified by Experts

The correct Answer is:
A
`Al_2 O_3 + 2NaOH + 3H_2 O to underset("Sodium metaaluminate")(2Na[Al(OH)_4])`
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