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प्रश्न
Boric acid is an acid because its molecule ______.
विकल्प
contains replaceable H+ ion.
gives up a proton.
accepts OH– from water releasing proton.
combines with proton from water molecule.
उत्तर
Boric acid is an acid because its molecule accepts OH– from water releasing proton.
Explanation:
Because of the small size of boron atom and presence of only six electrons in its valence shell, B(OH)3 accepts a pair of electrons from OH– ion of H2O, releasing a proton.
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संबंधित प्रश्न
Is boric acid a protic acid? Explain.
Boric acid is polymeric due to ______.
An aqueous solution of borax is _______.
Explain the nature of boric acid as a Lewis acid in water.
Aqueous solution of which of the following boron compounds will be strongly basic in nature?
Diborane (B2H6) reacts independently with O2 and H2O to produce, respectively:
Boric acid heated to red hot gives ______.
On the addition of mineral acid to an aqueous solution of borax, the compound formed is ______.
Which one of the following methods is used to prepare borax crystals?
Boric acid (H3BO3) is ______.
