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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.
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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.
Explain what happens when boric acid is heated.
Explain the Structure of Boric Acid.
Explain the following reaction.
Hydrated alumina is treated with aqueous NaOH solution.
Write a balanced equation for B2H6 + H2O → ?
Write a balanced equation for NaH + B2H6 → ?
Explain the Structure of Diborane.
Draw the structure of boric acid showing hydrogen bonding. Which species is present in water? What is the hybridisation of boron in this species?
When aqueous solution of borax is acidified with hydrochloric acid, a white crystalline solid is formed which is soapy to touch. Is this solid acidic or basic in nature? Explain.
Which is correct statement about diborane structure?
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 ______.
In diborane ______.
On the addition of mineral acid to an aqueous solution of borax, the compound formed is ______.
Boric acid (H3BO3) is ______.
