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Explain the nature of boric acid as a Lewis acid in water.

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प्रश्न

Explain the nature of boric acid as a Lewis acid in water.

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उत्तर

H3BO3 or B(OH)3 is an electron-deficient compound or Lewis acid which easily accepts electron from OH of water and releases its proton hence it is a Monobasic acid.

Reaction: \[\ce{B(OH)3 + 2H2O -> [B(OH)4]- + H3O+}\]

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पाठ 11: The p-block Elements - Multiple Choice Questions (Type - I) [पृष्ठ १३८]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 11
पाठ 11 The p-block Elements
Multiple Choice Questions (Type - I) | Q 23 | पृष्ठ १३८

संबंधित प्रश्‍न

Is boric acid a protic acid? Explain.


A certain salt X, gives the following results.

  1. Its aqueous solution is alkaline to litmus.
  2. It swells up to a glassy material Y on strong heating.
  3. 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 \[\ce{H3BO3 ->[\Delta]}\]?


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?


What are boranes? Give chemical equation for the preparation of diborane.


Which of the following is a FALSE statement about boric acid, \[\ce{H3BO3}\]?


Which of the following compounds are formed when boron trichloride is treated with water?


In diborane ______.


On the addition of mineral acid to an aqueous solution of borax, the compound formed is ______.


Boron reacts with nitric acid to form ______.


When aqueous solution of AICl3 is concentrated, it furnishes crystals of ______.


Which one of the following methods is used to prepare borax crystals?


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 ______.


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