A) \[{{\text{H}}_{\text{3}}}\text{B}{{\text{O}}_{\text{3}}}\]
B) \[{{\text{B}}_{\text{2}}}{{\text{O}}_{\text{3}}}\]
C) \[{{\text{B}}_{\text{3}}}{{\text{N}}_{\text{3}}}{{\text{H}}_{\text{6}}}\]
D) \[{{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}\]
Correct Answer: C
Solution :
When a mixture of \[\text{BC}{{\text{l}}_{\text{3}}}\]and \[{{\text{H}}_{2}}\]is subjected to silent electric discharge, diborane and \[\text{HCl}\]are formed and diborane reacts with NH3 at \[200{{\,}^{o}}C\]to give borazine (inorganic benzene). \[2BC{{l}_{3}}+6{{H}_{2}}\xrightarrow[\text{discharge}]{\text{Electric}}\underset{(A)}{\mathop{{{B}_{2}}{{H}_{6}}}}\,+6HCl\] \[\underset{\,\,\,\,1\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,:}{\mathop{3{{B}_{2}}{{H}_{6}}}}\,+\underset{2}{\mathop{6N{{H}_{3}}}}\,\xrightarrow{20\,0{{\,}^{o}}C}\underset{\begin{smallmatrix} \text{Borazine} \\ (B) \end{smallmatrix}}{\mathop{2{{B}_{3}}{{N}_{3}}{{H}_{6}}}}\,+12{{H}_{2}}\]
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