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Aluminium reacts with NaOH and forms co...

Aluminium reacts with NaOH and forms compound 'X'. If the coordination number of aluminium in 'X' is 6, the correct formula of X is

A

`[Al(H_(2)O)_(4) (OH)_(2)]^(+)`

B

`[Al(H_(2)O)_(3)(OH)_(3)]`

C

`[Al(H_(2)O)_(2) (OH)_(4)]^(-)`

D

`[Al(H_(2)O)_(6) (OH)_(3)]`

Text Solution

Verified by Experts

The correct Answer is:
C
`NaOH + Al + 5H_(2)O rarr Na [Al(OH)_(4) (H_(2)O)_(2)] + H_(2)`
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