Preparation of phosphine

Lesson 6 of 7 • 0 upvotes • 8:28mins

Deepak James

Preparation of phosphine Preparation Ca3p2+6H2O--> 3Ca(0H)2+2PH3 Ca3p2+6HCL---> 3cacl2+2PH3 In laboratory P4+3NaoH+3H2O----> PH3+3NaH2po2 Properties Colourless gas with rotten fish smell, highly poisonous, it explodes in contact with traces of oxidising agents like HNO3 , CL2, and Br2 vapours Uses Holmer's signals, smoke screens