Q.
Following are some precipitates obtained during qualitative analysis of inorganic salts.
Calcium oxalate, lead sulphide, lead iodide, lead sulphate, barium carbonate, barium chromate, ferric hydroxide, zinc hydroxide, cobalt sulphide
How many of the above are coloured precipitates?
NTA AbhyasNTA Abhyas 2022
Solution:
Precipitate Colour Calcium oxalate White Lead sulphide Black Lead iodide Yellow Lead sulphate White Barium carbonate White Barium chromate Yellow Ferric hydroxide Brown Zinc hydroxide White Cobalt sulphide Black
Precipitate | Colour |
Calcium oxalate | White |
Lead sulphide | Black |
Lead iodide | Yellow |
Lead sulphate | White |
Barium carbonate | White |
Barium chromate | Yellow |
Ferric hydroxide | Brown |
Zinc hydroxide | White |
Cobalt sulphide | Black |