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B(OH)3+NaOH iff Na[B(OH)4] How can this...

`B(OH)_3+NaOH iff Na[B(OH)_4]`
How can this reaction is made to proceed in forward direction ?

A

addition of cis 1, 2 diol

B

addition of borax

C

addition of trans 1, 2 diol

D

addition of `Na_2HPO_4`

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The correct Answer is:
A
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