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Which of the following is acidic in natu...

Which of the following is acidic in nature ?

A

`Be(OH)_(2)`

B

`Mg(OH)_(2)`

C

`Al(OH)_(3)`

D

`B(OH)_(3)`

Text Solution

Verified by Experts

The correct Answer is:
D
`Mg(OH)_(2)` is a weak base , `Be(OH)_(2)` and `Al(OH)_(3)` are amphoteric in nature. `B(OH)_(3)` can accept one hydroxyl ion from water `(H_(2)O)` and proton is released. Thus, it acts as a Lewis acid.
`B(OH)_(3) + 2H_(2)O hArr [B(OH)_(4)]^(Ө) + H_(3)O^(oplus)`.
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