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प्रश्न
Boric acid is an acid because its molecule ______.
पर्याय
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.
A certain salt X, gives the following results.
- Its aqueous solution is alkaline to litmus.
- It swells up to a glassy material Y on strong heating.
- When conc. H2SO4 is added to a hot solution of X, white crystal of an acid Z separates out.
Write equations for all the above reactions and identify X, Y and Z.
Boric acid is polymeric due to ______.
An aqueous solution of borax is _______.
Explain the Structure of Diborane.
Draw the structures of BCl3.NH3 and AlCl3 (dimer).
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.
A compound (A) of boron reacts with NMe3 to give an adduct (B) which on hydrolysis gives a compound (C) and hydrogen gas. Compound (C) is an acid. Identify the compounds A, B and C. Give the reactions involved.
Which of the following is a FALSE statement about boric acid, \[\ce{H3BO3}\]?
Which is correct statement about diborane structure?
Boric acid heated to red hot gives ______.
Which of the following compounds are formed when boron trichloride is treated with water?
Boron reacts with nitric acid to form ______.
Borazine, also known as inorganic benzene, can be prepared by the reaction of 3-equivalents of “X” with 6-equivalents of “Y”. “X” and “Y”, respectively are ______.
