Borax $\xrightarrow{1} \mathrm{H}_{3} \mathrm{BO}_{3} \xrightarrow{\Delta} \mathrm{~B}_{2} \mathrm{O

Question

Borax $\xrightarrow{1} \mathrm{H}_{3} \mathrm{BO}_{3} \xrightarrow{\Delta} \mathrm{~B}_{2} \mathrm{O}_{3} \xrightarrow[	ext { heat }]{2} \mathrm{~B}$ Here the reagents 1 and 2 are respectively\

Professor PC Thomas Classes · Answer

$\mathrm{Na}_{2} \mathrm{~B}_{4} \mathrm{O}_{7} \xrightarrow[5 \mathrm{H}_{2} \mathrm{O}]{2 \mathrm{HCl}} ightarrow 4 \mathrm{H}_{3} \mathrm{BO}_{3} \xrightarrow{\Delta} 2 \mathrm{~B}_{2} \mathrm{O}_{3}$ $\xrightarrow{6 \mathrm{Mg}} 4 \mathrm{~B}+6 \mathrm{MgO}$\