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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 - Chemistry

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प्रश्न

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.

दीर्घउत्तर
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उत्तर

\[\ce{B2H6 (A) + 2NMe3 -> 2BH3NMe3 (B)}\]

\[\ce{BH3NHe3 + H2O -> H3BO3 (C) + NMe3 + 6H2}\]

(A): B2H6

(B): 2BH3NMe3

(C): H3BO3 

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Some Important Compounds of Boron
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 11: The p-block Elements - Multiple Choice Questions (Type - I) [पृष्ठ १४१]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 11
पाठ 11 The p-block Elements
Multiple Choice Questions (Type - I) | Q 48 | पृष्ठ १४१

संबंधित प्रश्‍न

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.


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 NaH + B2H6 → ?


Boric acid is polymeric due to ______.


An aqueous solution of borax is _______.


Boric acid is an acid because its molecule ______.


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.


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 ______.


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


In diborane ______.


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


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


Boric acid (H3BO3) is ______.


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