मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान इयत्ता ११

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

Advertisements
Advertisements

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
Advertisements

उत्तर

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

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

(A): B2H6

(B): 2BH3NMe3

(C): H3BO3 

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 11: The p-block Elements - Multiple Choice Questions (Type - I) [पृष्ठ १४१]

APPEARS IN

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

संबंधित प्रश्‍न

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 B2H6 + H2O → ?


Write a balanced equation for NaH + B2H6 → ?


Write a balanced equation for \[\ce{H3BO3 ->[\Delta]}\]?


Boric acid is polymeric due to ______.


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 is correct statement about diborane structure?


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?


Boron reacts with nitric acid to form ______.


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 ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×