Among the following cations, the number of cations which will give characteristic precipitate in their identification tests with is:

Question

Among the following cations, the number of cations which will give characteristic precipitate in their identification tests with  is:

Canvas Classes · Accepted Answer

(Potassium ferrocyanide) reactions:

| Cation | Precipitate | Colour |
|---|---|---|
|  |  | Chocolate brown ✓ |
|  |  (Prussian blue) | Deep blue ✓ |
|  |  | White/pale yellow ✓ |
|  |  | White ✓ |
|  | No characteristic precipitate | — |
|  | No precipitate | — |
|  | No precipitate | — |

Number of cations giving characteristic precipitate = 4

(NTA official answer: 4)

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