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Lead (II) hypophosphite

Lead (II) hypophosphite is an inorganic compound, a salt of lead and hypophosphorous acid with the formula Pb (PH 2 O 2 ) 2 , colorless crystals, slightly soluble in water.

Lead hypophosphite
Are common
Systematic
name
Lead (II) hypophosphite
Traditional namesPhosphate lead; lead phosphinate
Chem. formulaPb (PH 2 O 2 ) 2
Physical properties
conditioncolorless crystals
Density4.032 g / cm³
Classification
Reg. CAS number10294-58-3

Content

Getting

  • Dissolution of lead oxide in a solution of hypophosphorous acid:
PbO+2H3PO2→Pb(PH2O2)2+H2O{\ displaystyle {\ mathsf {PbO + 2H_ {3} PO_ {2} \ {\ xrightarrow {}} \ Pb (PH_ {2} O_ {2}) _ {2} + H_ {2} O}}}  

Physical Properties

Lead (II) hypophosphite forms colorless crystals of monoclinic syngony , space group C 2 / c , cell parameters a = 1.5516 nm , b = 0.60081 nm , c = 0.59686 nm , β = 93.30 ° , Z = 4 , a structure such as strontium hypophosphite Sr (PH 2 O 2 ) 2 [1] .

Slightly soluble in water, insoluble in ethanol .

Notes

  1. ↑ NV Kuratieva, MI Naumova, NV Podberezskaya, D. Yu. Naumov. The bivalent metal hypophosphites Sr (H 2 PO 2 ) 2 , Pb (H 2 PO 2 ) 2 and Ba (H 2 PO 2 ) 2 // Acta Cryst .. - 2005.- T. C61 . - S. i14-i16 . - DOI : 10.1107 / S010827010403166X .

Literature

  • CRC Handbook of Chemistry and Physics . - 89th Edition. - Taylor and Francis Group, LLC, 2008-2009.


Source - https://ru.wikipedia.org/w/index.php?title= Lead hypophosphite ( II)&oldid = 80362726


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