Clever Geek Handbook
📜 ⬆️ ⬇️

Nickel (II) hypophosphite

Nickel (II) hypophosphite is an inorganic compound, a salt of nickel and hypophosphorous acid with the formula Ni (PH 2 O 2 ) 2 , dissolves in water, forms crystalline hydrates - green crystals.

Nickel hypophosphite
General
Systematic
name
Nickel (II) hypophosphite
Traditional nameshypophosphorous nickel; nickel phosphinate
Chem. formulaNi (PH 2 O 2 ) 2
Physical properties
conditionhydrate - green crystals
Molar mass188.67 g / mol
Densityhydrate - 1.82 g / cm³
Classification
Reg. CAS number13477-97-9
Reg. EINECS number

Content

  • 1 Receiving
  • 2 Physical properties
  • 3 Chemical properties
  • 4 Application
  • 5 Literature

Getting

  • Dissolution of nickel oxide in hypophosphorous acid:
NiO+H3PO2→Ni(PH2O2)2+H2O{\ displaystyle {\ mathsf {NiO + H_ {3} PO_ {2} \ {\ xrightarrow {}} \ Ni (PH_ {2} O_ {2}) _ {2} + H_ {2} O}}}  

Physical Properties

Nickel (II) hypophosphite forms crystals

It is soluble in water.

Forms a crystalline hydrate of the composition Ni (PH 2 O 2 ) 2 • 6H 2 O — green crystals of cubic syngony , space group P 4 3m , cell parameters a = 1.032 nm, Z = 4;

Chemical Properties

  • Decomposes on heating:
Ni(PH2O2)2→300oCNiHPOfour+PH3{\ displaystyle {\ mathsf {Ni (PH_ {2} O_ {2}) _ {2} \ {\ xrightarrow {300 ^ {o} C}} \ NiHPO_ {4} + PH_ {3}}}}  

Application

  • Used when applying nickel coatings.

Literature

  • Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 2nd ed., rev. - M.-L.: Chemistry, 1966. - T. 1. - 1072 p.
  • Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.


Source - https://ru.wikipedia.org/w/index.php?title= Nickel hypophosphite ( II)&oldid = 80362723


More articles:

  • Presidential Elections in Uzbekistan (1991)
  • Blue Grotto (Bishevo)
  • Referendum on Independence in Uzbekistan (1991)
  • Maria Waldeck-Pyrmont
  • Slovakia Football Championship 2007/2008
  • Scherbovo (Moscow region)
  • Minsk (farm)
  • Kolesnikov, Fedor Fedoseevich
  • Philip III the Bold
  • Kupavtsev, Ivan Akimovich

All articles

Clever Geek | 2019