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04/01/2022 2:01 pm
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B(OH)3 + NaOH → NaBO2 + Na[B(OH)4] + H2O
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 Na2HPO4
1 Answer
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04/01/2022 2:03 pm
Correct answer: (a) addition of cis 1, 2-diol
Explanation:
H3BO3 acts as weak monobasic Lewis acid.
B(OH)3 + NaOH → Na[B(OH)4]
On addition of cis-1, 2-diol in H3BO3 solution, acidic strength of H3BO3 increases due to chelation effect.