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Potassium chromate

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Potassium chromate

Molecular formula: CrK2O4 CAS# 7789-00-6
Categories: Inorganic salt
Names
English:
Bipotassium chromate
Caswell No. 687
Chromate of potash
Chromate of potass
Chromic acid (H2CrO4),potassium salt (1:2)(CAS)
Dipotassium chromate
Dipotassium monochromate
Neutral potassium chromate
Potassium chromate
Potassium chromate(VI)
Tarapacaite
dipotassium;dioxido(dioxo)chromium(IUPAC)
Русский:
Хромат калия
Хромовокислый калий
German:
Chromsaures Kalium
Dikaliumchromat
Kaliumchromat
العربية:
كرومات البوتاسيوم
Español:
Cromato de potasio
Cromato(VI) de potasio
French:
Chromate de potassium(IUPAC)
Italiano:
Cromato di potassio
日本語:
クロム酸カリウム(IUPAC)
中文:
铬酸钾

Variants of the formula:

K2CrO4
K(+1)2Cr(+6)O(-2)4
K-O-Cr<`||O><||O>-O-K
K^+\0O`^-/Cr<_qq4O><_pp4O>/O^-\0K^+
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Potassium chromate is involved

  • 4K2Cr2O7 -> 4K2CrO4 + 2Cr2O3 + 3O2
  • K2Cr2O7 + 2KOH -> 2K2CrO4 + H2O
  • 2K2CrO4 + H2SO4 -> K2Cr2O7 + K2SO4 + H2O
  • K2Cr2O7 + K2CO3 -> 2K2CrO4 + CO2
  • 4K2FeO4 + 3Cr(OH)2 "100^oC"--> 4FeO(OH)"|v" + 3K2CrO4 + 2KOH