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When acetic acid and potassium ferrocyan...

When acetic acid and potassium ferrocyanide are added to copper salt, the colour of the precipitate is

A

Blue

B

Black

C

Brown

D

White

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The correct Answer is:
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NARAYNA-QUALITATIVE ANALYSIS-LEVEL -II (C.W.)
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  7. Conectrated aqueous sodium hydroxide can be a separated mixture of

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  8. A light greenish coloured salt was soluble in water ion passing H(2)S ...

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  9. First group reagent is

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  14. When acetic acid and potassium ferrocyanide are added to copper salt, ...

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  15. Which of the following hydroxide is soluble in excess of NaOH

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  16. The reagent NH4 Cl and aqueous NH3 will precipitate

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  17. Which of the following sulphides dissolve in dilute HCl?

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  18. Acidic K(2)Cr(2)O(7) reacts with H(2)S to produce:

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  19. CuSO(4) decolourises on addition of KCN, the product is

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  20. A solution of a metal ion when treated with KI gives a red precipitate...

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