WebSep 14, 2024 · As far as we know, on rocky planets such as Venus and Earth, phosphine can only be made by life—whether human or microbe. Used as a chemical weapon during … WebSep 20, 2024 · On September 14, 2024, an international team of astronomers announced the discovery of a rare molecule — phosphine — in the clouds of Venus. This detection could …
Prospects for life on Venus fade — but aren’t dead yet - Nature
Phosphine is a highly toxic respiratory poison, and is immediately dangerous to life or health at 50 ppm. Phosphine has a trigonal pyramidal structure. Phosphines are compounds that include PH3 and the organophosphines, which are derived from PH3 by substituting one or more hydrogen atoms with organic groups. … See more Phosphine (IUPAC name: phosphane) is a colorless, flammable, highly toxic compound with the chemical formula PH3, classed as a pnictogen hydride. Pure phosphine is odorless, but technical grade samples have a highly See more Philippe Gengembre (1764–1838), a student of Lavoisier, first obtained phosphine in 1783 by heating white phosphorus in … See more Phosphine may be prepared in a variety of ways. Industrially it can be made by the reaction of white phosphorus with sodium or potassium hydroxide, … See more Deaths have resulted from accidental exposure to fumigation materials containing aluminium phosphide or phosphine. It can be absorbed either by inhalation or transdermally. As a respiratory poison, it affects the transport of oxygen or interferes with the … See more PH3 is a trigonal pyramidal molecule with C3v molecular symmetry. The length of the P−H bond is 1.42 Å, the H−P−H bond angles are 93.5°. The dipole moment is 0.58 D, which increases with substitution of methyl groups in the series: CH3PH2, 1.10 D; (CH3)2PH, 1.23 D; … See more Organophosphorus chemistry Phosphine is a precursor to many organophosphorus compounds. It reacts with formaldehyde in the presence of hydrogen chloride to … See more • Diphosphane, H2P−PH2, simplified to P2H4 • Diphosphene, HP=PH See more chutehelp.com
On Venus, mysterious traces of gas tease the possibility of ...
WebSep 14, 2024 · But surprisingly, the clouds seem to contain phosphine, a potential sign of life. Venus’ clouds appear to contain a smelly, toxic gas that could be produced by … WebSep 14, 2024 · The phosphine could be created by some form of life, or it could be forged by a chemical process that scientists just haven’t seen before. Read: NASA goes looking for tiny ancient Martians WebSep 14, 2024 · But surprisingly, the clouds seem to contain phosphine, a potential sign of life. Venus’ clouds appear to contain a smelly, toxic gas that could be produced by bacteria, a new study suggests ... chute help