Before revision: Synthesis The reaction of sodium phosphide and bismuth trichloride in toluene (0 °C): Na3P + BiCl3 -> BiP + 3NaCl Physical properties When heated in air, bismuth phosphide burnsю
After revision: Synthesis The reaction of sodium phosphide and bismuth trichloride in toluene (0 °C): Na3P + BiCl3 -> BiP + 3NaCl Physical properties When heated in air, bismuth phosphide burns.