Question

Write a note on the formation of boron nitride.​

Answer 1

Boron nitride is produced synthetically. Hexagonal boron nitride is obtained by the reacting boron trioxide (B2O3) or boric acid (H3BO3) with ammonia (NH3) or urea (CO(NH2)2) in a nitrogen atmosphere: B2O3 + 2 NH3 → 2 BN + 3 H2O (T = 900 °C) B(OH)3 + NH3 → BN + 3 H2O (T = 900 °C)

Answer 2

Boron Nitride ↦ BN3

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