Arsine and stibine are even less so, and it is not known if bismuthine is.
2.
Arsine, stibine, and bismuthine are highly toxic, thermally unstable, and colourless gases.
3.
The term " bismuthine " may also refer to a member of the family of organobismuth ( III ) species having the general formula, where R is an organic substituent.
4.
No appreciable hydrogen bonding is found in phosphine, arsine, stibine, and bismuthine, and there is no appreciable tendency to dissociate like ammonia to and ( M = P, As, Sb, Bi ).
5.
Arsine decomposes to arsenic and hydrogen at 250 300 �C, stibine to antimony and hydrogen at room temperature, and bismuthine to bismuth and hydrogen above " 45 �C . Arsine and stibine are very easily oxidised to arsenic or antimony trioxide and water; a similar reaction happens with sulfur or selenium.
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