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Question

B(OH)3+NaOHNaBO2+Na[B(OH)4]+H2O

How can the reaction above be made to proceed in the forward reaction?


A

Addition of cis-1,2-diol

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B

Addition of borax

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C

Addition of trans-1,2-diol

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D

Addition of Na2HPO4

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Solution

The correct option is A

Addition of cis-1,2-diol


In the reaction,

B(OH)3+NaOHNaBO2+Na[B(OH)4]+H2O

We see that there is an equilibrium. When cis-1,2-diols are added to the reaction flask, it consumes [B(OH)4] and thus drives the reaction in the forward direction.


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