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A blue colouration is not obtained when...

A blue colouration is not obtained when

A

Ammonium hydroxide dissolves in copper sulphate

B

copper sulphate solution reacts with `K_(4)[Fe(CN)_(6)]`

C

Ferric chloride reacts with sodium ferrocyanide

D

Anhydrous white `CuSO_(4)` is dissolved in water

Text Solution

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`2CuSO_(4)+K_(4)[Fe(CN)_(6)] to underset("Chocolate ppt.")(Cu_(2)[Fe(CN)_(6)]+2K_(2)SO_(4)`
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DINESH PUBLICATION-PRINCIPLES RELATED TO PRACTICAL CHEMISTRY-RQ
  1. Prussian blue is formed when

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  2. What product is formed by mixing the solution of K4 [Fe (CN)6] with th...

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  3. A blue colouration is not obtained when

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  4. Which of the following will not give positive chromyl chloride test?

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  5. AgCl dissolves in ammonia solution giving

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  6. Nitrate of all metals are

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  7. When excess of SnCl2 is added to a solution of HgCl2, a white precipit...

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  8. A white crystalline substance dissolves in water. On passing H2 S in t...

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  9. Of the following sulphides which one is insoluble in dil. Acids but so...

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  10. When chlorine water is added to an aqueous solution of potassium halid...

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  11. When excess of dilute NH4 OH is added to an aqueous solution of copper...

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  12. Composition of brown ring is

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  13. Chloride of which element is coloured?

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  14. The composition of golden spangles is

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  15. Chromyl chloride test is performed for the confirmation of the presenc...

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  16. An aqueous solution of colourless metal sulphate M gives a white preci...

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  17. Which of the following will not produce a precipitate with AgNO3 solut...

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  18. The aqueous solution of the following salts will be coloured

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  19. When AgNO3 is strongly heated, the products formed are

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  20. Which of the nitrates on strong heating leaves the metal as the residu...

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