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KCET2019ChemistryIonic Equilibrium

In the reaction ( B ( OH )₃+2 H ₂ O [ B ( OH )₄ ]⁻+ H ₃ O ⁺ ) ( B ( OH )₃ ) functions as

Options

  1. ABronsted acid
  2. BLewis acid
  3. CProtonic acio
  4. DLewis base

Correct answer

B. Lewis acid

Step-by-step solution

(B) Boric acid is a weak mono basic acid (not a protonic acid) but acts as a Lewis acid by accepting electrons from ( O H⁻ ) ions.

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