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Cobalt(II) hydroxide

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Cobalt(II) hydroxide

Molecular formula: H2CoO2 CAS# 21041-93-0
Categories: Hydroxide
Names
English:
Cobalt(2+) dihydroxide
Cobalt(2+) hydroxide
Cobalt(II) hydroxide(IUPAC) [Wiki]
EINECS:244-166-4
cobalt hydroxide
cobaltous hydrate
cobaltous hydroxide
Русский:
Гидроксид кобальта(II) [Wiki]
гидроокись кобальта
German:
Cobalt(II)-hydroxid [Wiki]
Cobaltdihydroxid
العربية:
هيدروكسيد الكوبالت الثنائي [Wiki]
French:
Hydroxyde de cobalt(II) [Wiki]
dihydroxyde de cobalt
日本語:
水酸化コバルト(II)(IUPAC) [Wiki]
中文:
氢氧化钴 [Wiki]

Variants of the formula:

Co(OH)2
HO-Co-OH
$L(1.2)H/O^-\0Co^2+/0O`^-\H
$L(1.4)HO^-\0Co^2+/0`HO^-
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Cobalt(II) hydroxide is involved

  • 4CoF3 + 10H2O "100^oC"--> 4Co(OH)2"|v" + O2"|^" + 12HF"|^"
  • 4Co(OH)2 + O2 "100^oC,p"--> 4CoO(OH)"|v" + 2H2O
  • 2NaOH + Co(OH)2 "120^oC"--> Na2[Co(OH)4]
  • 4[Co(NH3)6]Cl3 + 10H2O "100^oC"--> 4Co(OH)2 + 12NH4Cl + O2 + 12NH3
  • CoSO4 + 2{M}OH -> {M}2SO4 + Co(OH)2"|v" , where M = Na K Li Rb Cs