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The first and second dissociation consta...

The first and second dissociation constants of a weak diacidic base `B(OH)_(2)` are `1xx10^(-7)` and `1.3xx10^(-14)` respectively. Approximate pH of `0.1M` solution of this base is

A

`10`

B

`11`

C

`8`

D

`12`

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A
`N//A`
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