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Which of the following combinations in a...

Which of the following combinations in an aqueous medium will give a red colour or precipitate ?

A

`Fe^(3+)+SCN^(-)`

B

`Fe^(2+)+[Fe(CN)_(6)]^(3-)`

C

`Ni^(2+)`+dimethylyoxime+`NH_(3)` solution

D

`Co^(2+)+SCN^(-)`

Text Solution

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The correct Answer is:
A, C
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VK JAISWAL-QUALITATIVE INORGANIC ANALYSIS-ONE OR MORE ANSWER IS/ARE CORRECT
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  2. Which of the following statements (s) is (are) correct with reference ...

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  4. Which of the following sulphates are soluble in water?

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

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

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  8. Which of the following reagents can be used to distinguish between SO(...

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  9. Which of the followng wild dissolve in a mixuture of NaOH and H(2)O(2)...

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  10. Which of the following reagents willnot be useful in separating a mixt...

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  11. Which of the following mixtures cannot be separated by passing H(2)S t...

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  12. Which of the following substance on being heated with give a gas that ...

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  13. A white precipitate is obtained when:

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  14. Which of the following cations will turns a borax bead green in an oxi...

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  15. Which of the following substance are blue?

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  16. On raction with dilute H(2)SO(4), which of the following salts will gi...

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  17. A yellow precipitate is obtained when:

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