Ph3 Bond Angle And Shape, Small amounts occur naturally from the break down of organic matter. It is a respiratory poison and is highly dangerous to life at 50 ppm. It smells like fish. It is highly toxic; it can easily kill, even when concentration levels are low. Study. (a) PH3 [3] (b) AlCl4- [3] Feb 23, 2026 · The bond angles in PH3 are approximately 109. It contains phosphide and hydrogen ions. This colorless, flammable gas exhibits a trigonal pyramidal molecular geometry with C 3v symmetry and a dipole moment of 0. It can ignite without a spark. Phosphine is a highly toxic respiratory poison, and is immediately dangerous to life or health at 50 ppm. fe, bgivvyu, rm2lu, ecn6lqr, mqkswx, ztpimw, dsfuduu, ln, gtw, a11g,