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P Block Elements question

2016 · Q94
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P Block Elements question

2016 · Q94

NEETChemistryP Block ElementsMCQ+4 / −1
Boric acid is an acid because its molecule
  1. A
    contains replaceable H+ ion
  2. B
    gives up a proton
  3. C
    accepts OH−-− from water releasing proton
  4. D
    combines with proton from water molecule.
View written solutionFree

Correct answer: C

Boric acid behaves as a Lewis acid, by accepting a pair of electrons from OH– ion of water thereby releasing a proton.

H-OH+B(OH)3 →\to→ [B(OH)4]–

  • H+
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