Chemistry - Colours Of Compounds For CBSE Class 12, 11, 10 and 9

Salts/Compounds Colour

1. Potassium dichromate, K₂Cr₂O₇ Orange

2. Potassium permanganate, KMnO₄ Violet

3. Ferric tetra-oxide, Fe₃O₄ Black

4. Ferrous sulphate, FeSO₄.7H₂O Green

5. Ferric sulphate, Fe₂(SO₄)₃ Yellow

6. Ferric hydroxide, Fe(OH)₂ Green

7. Ferrous hydroxide,Fe(OH)₃ Orange or reddish brown

8. Ferrous chloride, FeCl₂ Yellow

9. Ferric chloride, FeCl₃ Reddish brown

10. Iron (II) carbonate, FeCO₃ Brown

11. Iron (III) nitrate, Fe(NO₃)₂ Red

12. Iron (II) sulphide, FeS Black

13. Iron (III) sulphide, Fe₂S₃ Black

14. Copper carbonate, CuCO₃ Green

15. Copper nitrate, Cu(NO₃)₂ Bluish green

16. Copper sulphate, CuSO₄.5H₂O Blue

17. Anhydrous copper sulphate, CuSO₄ White

18. Copper sulphide, CuS Black

19. Copper chloride, CuCl₂ Yellow

20. Copper (II) oxide, CuO Black

21. Copper (I) oxide, Cu₂O Red

22. Copper hydroxide, Cu(OH)₂ Blue

23. Red lead, Pb₃O₄ Red or orange red

24. Lead iodide, PbI₂ Yellow

25. Lead sulphide, PbS Black

26. Lead (II) oxide, PbO Yellow

27. Lead (IV) oxide, PbO₂ Chocolate brown

28. Mercuric sulphide, HgS Black or red

29. Mercuric oxide, HgO Orange red

30. Silver iodide, AgI Yellow

31. Silver sulphide, Ag₂S Black

32. Silver bromide, AgBr Yellow

33. Silver oxide, Ag₂O Brown

👉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.

👉 See Also:

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