Chemistry - Complete Pblock- Question with Solution | TestHub

When orthoboric acid is heated strongly, it gives${\mathrm{B}}_2{\mathrm{O}}_3$
${\mathrm{H}}_3\mathrm{B}{\mathrm{O}}_3\stackrel{\mathrm{H}\mathrm{e}\mathrm{a}\mathrm{t}}{\to }\mathrm{H}\mathrm{B}{\mathrm{O}}_2\stackrel{\mathrm{H}\mathrm{e}\mathrm{a}\mathrm{t}}{\to }{\mathrm{B}}_2{\mathrm{O}}_3$