$\mathrm{H}_{3} \mathrm{BO}_{3} \xrightarrow{370 \mathrm{~K}} \mathrm{~A} \xrightarrow{ ext { high

Question

$\mathrm{H}_{3} \mathrm{BO}_{3} \xrightarrow{370 \mathrm{~K}} \mathrm{~A} \xrightarrow{	ext { high tmp. }} \mathrm{B}$. Here A and B are respectively\

Professor PC Thomas Classes · Answer

$\mathrm{H}_{3} \mathrm{BO}_{3} \xrightarrow{370 \mathrm{~K}} \mathrm{HBO}_{2}+\mathrm{H}_{2} \mathrm{O}$
$2 \mathrm{HBO}_{2} \xrightarrow{	ext { red heat }} \mathrm{B}_{2} \mathrm{O}_{3}+\mathrm{H}_{2} \mathrm{O}$\