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A pale green crystalline metal salt of M...

A pale green crystalline metal salt of M dissolves freely in water. It gives a brown precipitate on addition of aqueous NaOH. The metal salt solution also gtives a black precipitate on bubbling `H_2 S` in aqueous medium. An aqueous solution of the metal salt decolourizes the pink colour of the premanganate solution. The metal in the metal salt solution is

A

Copper

B

Aluminium

C

Lead

D

Iron

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NARAYNA-QUALITATIVE ANALYSIS-LEVEL -II (C.W.)
  1. Three separate samples of a solution of a single salt gave these resul...

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  2. Which of the acidic radical gives canary yellow ppt in ammonium molybd...

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  3. A pale green crystalline metal salt of M dissolves freely in water. It...

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  4. Identity the compound which turns black with ammonia solution.

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  5. In fifth group, (NH(4))(2)CO(3) is added to precipitate out the carbon...

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  6. Solute (X) is highly soluble in water. On adding conc. H(2)SO(4), Ther...

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  7. What is the colour of the precipitate obtained in Potassium Ferrocyani...

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  8. The presence of NH(4)^(+) radical in solution can be detected by

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  9. Conectrated aqueous sodium hydroxide can be a separated mixture of

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

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  11. First group reagent is

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  12. Which one among the following pairs of ions cannot be separated by H(2...

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  13. The cations are grouped on the basis of

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  14. An yellow coloured precipitate PbCrO(4) is insoluble in

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  15. On passing H(2)S gas in II group sometimes the solution turns milky. I...

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

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

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  18. The reagent NH4 Cl and aqueous NH3 will precipitate

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

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

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