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H(3)BO(3) dissolves in liquid HF due to ...

`H_(3)BO_(3)` dissolves in liquid HF due to formation of compound X. The hybridisation of central atom in compound X is ,

A

`sp^(3)`

B

`sp^(2)`

C

`sp` & `sp`

D

`sp^(3)d`

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The correct Answer is:
A
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