Advertisements
Advertisements
प्रश्न
Explain the Structure of Boric Acid.
Advertisements
उत्तर
Boric acid has a layered structure. Each planar BO3 unit is linked to one another through H atoms. The H atoms form a covalent bond with a BO3 unit, while a hydrogen bond is formed with another BO3 unit. In the given figure, the dotted lines represent hydrogen bonds.
Structure of boric acid
संबंधित प्रश्न
Explain what happens when boric acid is heated.
Explain the following reaction.
Hydrated alumina is treated with aqueous NaOH solution.
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.
Write a balanced equation for NaH + B2H6 → ?
Write a balanced equation for \[\ce{H3BO3 ->[\Delta]}\]?
Boric acid is polymeric due to ______.
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 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:
Which of the following compounds are formed when boron trichloride is treated with water?
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 ______.
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 ______.
The reaction of H3N3B3Cl3(A) with LiBH4 in tetrahydrofuran gives inorganic benzene (B). Further, the reaction of (A) with (C) leads to H3N3B3(Me)3. Compounds (B) and (C) respectively, are ______.
