Amorphous boron and crystalline boron are extracted by reducing Boric anhydride () with different me — p Block Elements Chemistry Question

💡 Solution & Explanation

Amorphous boron (low purity) is prepared by reducing $B_2O_3$ with highly active metals like Magnesium or Sodium at high temperatures. Crystalline boron is obtained by reducing $B_2O_3$ with Aluminium.