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Which one of the following compounds is ...

Which one of the following compounds is not a protoric acid?

A

`SO_(2)(OH)_(2)`

B

`B(OH)_(3)`

C

`PO(OH)_(3)`

D

`SO(OH)_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`B(OH)_(5)` in water gives `H^(+)` ions as follows
`B(OH)_(3)+H_(2)O hArr [B(OH)_(4)^(-)]+H^(+)`
Thus, it is not a protonic acid i.e., it does not give its hydrogen `H^(+)` ions.
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