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Thenard's blue is...

Thenard's blue is

A

`CoAl_(2)O_(4)`

B

`Fe_(4)[Fe(CN)_(6)]_(3)`

C

`K_(2)Fe[Fe(CN)_(6)]`

D

`[Cu(NH_(3))_(4)](OH)_(2)`

Text Solution

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The correct Answer is:
A
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VK JAISWAL-QUALITATIVE INORGANIC ANALYSIS-LEVEL 2
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  2. Which of the following, when dissolved in yellow ammonium sulphide, fo...

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  3. Thenard's blue is

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  4. A salt imparts a yellow colour to a borax bead in an oxidising flame. ...

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  5. BiCl(3) can be reduced to metallic bismuth by:

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  6. The blue colour in an oxidising flame of a microcosmic bead containing...

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  7. Which of the following reaction(s) relevat t the microcosmic salt bead...

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  8. Which of the following is formed in solution when [Cu(NH(3))(4)]^(2+) ...

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  9. A white solid forms Rinmann's greenn in the charcoal cavity test in an...

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  10. A white solid imparts a violet colour to a Bunsen flame. On being heat...

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  11. Which of the following is soluble in boiling water, but less soluble i...

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  12. Which of the following pairs of cations cannot be separated by using d...

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  13. If NH(4)OH in presence of NH(4)Cl is added to a solution containing Al...

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  14. Which of the following pairs of cations ca be separated by adding NH(4...

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  15. H(2)S is passed through the solution in an acididc medium to precipita...

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  16. Which of the following pairs of cations can be separated by passing H(...

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  17. Which of the following pairs of cations can be separated by using an N...

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  18. Which of the following ions cannot be detected by the borax bead or mi...

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  19. Which of the following pairs of cations will turn borax beads blue in ...

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  20. A colourless crystalline salt, on being heated, gives a coloured gas w...

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