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Which of the following compounds is colo...

Which of the following compounds is coloured

A

`Na_(2)CuCl_(4)`

B

`Na_(2)CoCl_(4)`

C

`K_(4)[Fe(CN)_6]`

D

All the above

Text Solution

Verified by Experts

The correct Answer is:
B

`CN^-` is strong ligand so rearrangment is possible .It undergo `d^2sp^3` hybridisatoin. No unpaired electtons. No d-d transition . No colour
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AAKASH SERIES-D & F BLOCK ELEMENTS-LEVEL-II (LECTURE SHEET) (EXERCISE-I)(SINGLE & ONE OR MORE THAN ONE CORRECT ANSWERS)
  1. Which of the following forms interestitial compounds(s)?

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  2. The stable oxidation state of Mn are

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  3. Which of the following compounds is coloured

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  4. Which of the following compounds is expected to be coloured :

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  5. The aqueous solution of the following salt will be coloured in the cas...

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  6. A metal M and is compound can give the following observable changes in...

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  7. Each of the following ion contains vanadium the + V oxidation state ex...

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  8. Which of the following are not coloured due lo charge transfer

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  9. Oxides of which of the following melals show oxidation state of +8 ?

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  10. Select the compounds having metal in zero oxidation state

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  11. Among the following , identify the species with an atom in + 6 oxidati...

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  12. The oxidation state(s) of copper is (are)

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  13. Duraluminium an alloy contains :

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  14. Manganese steel contains

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  15. The stainless steel developed in India contains the following special ...

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  16. Which of the following is(are) alloy(s) not containing copper?

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  17. Which of the following statement(s) is (are) correct. When a mixture o...

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  18. K2MaO4 is formed when :

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  19. Which of the following is (are) correct:

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  20. Which statement (s) is (are) incorrect:

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