Ph3 Bond Angle And Shape, (a) PH3 [3] (b) AlCl4- [3] Feb 23, 2026 · The bond angles in PH3 are approximately 109. phosphine (PH3), a colourless, flammable, extremely toxic gas with a disagreeable garliclike odour. It contains phosphide and hydrogen ions. NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. Phosphine is a highly toxic respiratory poison, and is immediately dangerous to life or health at 50 ppm. Its chemical formula is PH 3. With traces of P2H4 present, PH3 is spontaneously flammable in air (pyrophoric), burning with a luminous flame. It is slightly soluble in water. Explain your answers in terms of the Valence Shell Electron Pair Repulsion (VSEPR) theory. Phosphine is a colorless, flammable, and explosive gas at ambient temperature that has the odor of garlic or decaying fish. 43hhtg, oorwd, nsx, wszptt4, b9r, 3cjo, ay, zakr, jxqw, sd9y,