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Question: Answered & Verified by Expert
Orthoboric acid in aqueous medium is
ChemistryIonic EquilibriumJEE Main
Options:
  • A Monobasic
  • B Dibasic
  • C Tribasic
  • D All are correct
Solution:
2967 Upvotes Verified Answer
The correct answer is: Monobasic
$\mathrm{H}_3 \mathrm{BO}_3+\mathrm{H}_2 \mathrm{O} \rightleftharpoons \left[\mathrm{B}(\mathrm{OH})_4\right]^{-}+\mathrm{H}^{+}$
$\mathrm{H}_3 \mathrm{BO}_3$ is a weak monobasic acid if does not act as a $\mathrm{H}^{+}$ donor but behaves as a Lewis acid

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