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NEET2016Chemistryp Block Elements (Group 13 & 14)Actual

Boric acid is an acid because its molecule

Options

  1. Acontains replaceable H + ion.
  2. Bgives up a proton.
  3. Caccepts OH - from water releasing proton.
  4. Dcombines with proton from water molecule.

Correct answer

C. accepts OH - from water releasing proton.

Step-by-step solution

Boric acid is an acid because its molecule accepts OH ( - ) from water releasing proton. It acts as a Lewis acid because of the electron deficient nature of boron in boric acid. B OH 3 + H 2 O → B OH 4 - aq + H + ( aq )

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