Colours of some common salts compounds

Colours of some common salts compounds

• 1.
  CHEMISTRY PRACTICAL (CBSE) EdulabzInternationalCBSEPracticalSkills.com © Edulabz InternationalCBSEPracticalSkills.com © Colours of some common salts / compounds Salts / Compounds Colour Potassium dichromate, K2 Cr2 O7 Orange Potassium permanganate, KMnO4 Violet Friferric tetraoxide, Fe3 O4 Black Ferrous sulphate, FeSO4 .7H2 O Green Ferric sulphate, Fe(SO4 )3 Yellow Ferric hydroxide, Fe(OH)2 Green Ferrous hydroxide, Fe(OH)3 Orange or reddish brown Ferrous chloride, FeCl2 Yellow Ferric chloride, FeCl3 Reddish brown Iron (II) carbonate, FeCO3 Brown Iron (III) nitrate, Fe(NO3 )3 Red Iron (II) sulphide, FeS Black Iron (III) sulphide, Fe2 S3 Black Copper carbonate, CuCO3 Green Copper nitrate, Cu(NO3 )2 Bluish green Copper sulphate, CuSO4 .5H2 O Blue Anhydrous copper sulphate, CuSO4 White Copper sulphide, CuS Black Copper chloride, CuCl2 Yellow Copper (II) oxide, CuO Black Copper (I) oxide, Cu2 O Red 1
• 2.
  Edulabz InternationalCBSEPracticalSkills.com © EdulabzInternationalCBSEPracticalSkills.com © Copper hydroxide, Cu(OH)2 Blue Red lead, Pb3 O4 Red or orange red Lead iodide, PbI2 Yellow Lead sulphide, PbS Black Lead (II) oxide, PbO Yellow Lead (IV) oxide, PbO2 Chocolate brown Mercuric sulphide, HgS Black or red Mercuric oxide, HgO Orange red Silver iodide, AgI Yellow Silver sulphide, Ag2 S Black Silver bromide, AgBr Yellow All sodium, calcium, magnesium and zinc salts are white in colour. All other lead, mercury and silver salts (except those mentioned) are white in colour. Silver oxide, Ag2 O Brown 2