Hydrazine Chromium Alum, (N2H4)2H2SO4.Cr2(SO4)3.24H2O, forms violet octahedral crystals, soluble in water.
Compounds of the green chromium sulphate with chromic acid have been prepared, viz. H2[CrO4.Cr2(SO4)3], H4[(CrO4)2.Cr2(SO4)3], and H6[(CrO4)3.Cr2(SO4)3]. |