Question

Solution

## The correct option is B Addition of cis-1,2-diol In the reaction, B(OH)3+NaOH⇌NaBO2+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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