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Turnbull's blue is a ................

Turnbull's blue is a .............

A

Ferricyanide

B

Ferrous ferrocyanide

C

Ferrous cyanide

D

Ferri-ferrocyanide

Text Solution

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The correct Answer is:
B
`Fe_(3)(FeCN_(6))` a turnbulss blue.
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NARAYNA-D - BLOCK ELEMENTS-EXERCISE-2
  1. Zr(Z=40) and Hf(Z=72) have similar atomic and ionic radii because of:

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  2. A blue colouration is not obtained when

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  3. Turnbull's blue is a .............

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  4. The colourless species is

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  5. What will the structure of CrO(5) in presence of pyridine ?

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  6. [Ti(H(2)O)(6)]^(3+) is purple in colour because it is complimentary co...

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  7. Number of electrons transferred in each case when KMnO(4) acts as an o...

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  8. MnO(4)^(-) is of intense pink colour, though Mn is in(+7) oxidation st...

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  9. KMnO(4) dissollution in concentration H(2)SO(4) results in explosion d...

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  10. When K(2)MnO(4) is added in solution of NH(4)Cl then

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  11. K(2)Cr(2)O(7) is preferred to Na(2)Cr(2)O(7) for use in volumetric ana...

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  12. The blue colour produced on adding H2O2 to acidified K2Cr2O7 is due to...

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  13. CrO(3) dissolves in aqueous NaOH to give:

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  14. The n-factor for K(2)Cr(2)O(7) in acidic medium is

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  15. In electrorefining of copper,some gold is deposited as

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  16. Arrange Ce^(3+),La^(3+), Pm^(3) and Yb^(3+) in increasing order of the...

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  17. Horn silver ore dissolves in excess of sodium cyanide solution forming

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  18. Using a Ziegler Natta catalyst the polythene formed is

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  19. An excellent lubricant amongst these is

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  20. The fool's gold is

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