Give industrial preparation for diborane.
$2 \mathrm{BF}_{3}+6 \mathrm{NaH} \stackrel{450 \mathrm{~K}}{\longrightarrow} \mathrm{B}_{2} \mathrm{H}_{6}+6 \mathrm{NaF}$
During the borax bead test with $CuSO _4$, a blue green colour of the bead was observed in oxidising flame due to the formation of
In the purification of bauxite by Hall's process
Which of the following doesn't exist
${H_3}B{O_3}\,\xrightarrow{{{T_1}}}X\,\xrightarrow{{{T_2}}}Y\,\xrightarrow{{\operatorname{Re} d\,\,\,hot}}{B_2}{O_3}$
if $T_1 < T_2$ then $X$ and $Y$ respectively are
Write chemical reaction to prepare inorganic benzene $(B_3N_3H_6)$.
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