Medium MCQ +4 / -1 PYQ · JEE Mains 2020

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 :

  1. A Borazine and MeBr
  2. B Diborane and MeMgBr
  3. C Boron nitride and MeBr
  4. D Borazine and MeMgBr Correct answer

Solution

B<sub>3</sub>N<sub>3</sub>H<sub>3</sub>Cl<sub>3</sub>(A) + LiBH<sub>4</sub> $\to$ B<sub>3</sub>N<sub>3</sub>H<sub>6</sub> (B) <br><br>B = inorganic benzene or Borazine <br><br>B<sub>3</sub>N<sub>3</sub>H<sub>3</sub>Cl + MeMgBr(C) $\to$ B<sub>3</sub>N<sub>3</sub>H<sub>3</sub>(CH<sub>3</sub>)<sub>3</sub> + 3MgBrCl

About this question

Subject: Chemistry · Chapter: p-Block Elements · Topic: Group 13: Boron Family

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