# 11.6     Explain what happens when boric acid is heated.

On heating boric acid around 370 K, it converts to metaboric acid( $HBO_{2}$ ). If we continue the heating process, it becomes boric oxide.
$H_3BO_{3}\xrightarrow[370K]{\Delta }HBO_{2}\xrightarrow[red\; hot]{\Delta }B_2O_3$