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Which one of the following ions exhibits...

Which one of the following ions exhibits d-d transition and paramagnetism as well ?

A

`CrO_4^(2-)`

B

`Cr_2O_7^(2-)`

C

`MnO_4^-`

D

`MnO_4^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
D
`MnO_4^(2-)`
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MODERN PUBLICATION-D AND F-BLOCK ELEMENTS-COMPETITION FILE (MULTIPLE CHOICE QUESTION ((B) MULTIPLE CHOICE QUESTION FROM COMPETITIVE EXAMINATION))
  1. Name the gas that can readily decolourise acidified KMnO(4) solution:

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  2. The reason for greater range of oxidation state in actinoids is attrib...

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  3. Which one of the following ions exhibits d-d transition and paramagnet...

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  4. Match the metal ions given in Column I with the spin magnetic moments ...

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  5. The magnitude and permanganate ions are tetrahedral due to

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  6. Amount of oxalic acid present in a solution can be determined by its t...

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  7. Mark the correct statements(s) (1) Manganeses exhibits +7 oxidation ...

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  8. The maximum oxidation state exhibited by actinide ions is

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  9. KMnO4 gets reduced to

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  10. The bonds present in the structure of dichromate ion are

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  11. In context of the lanthanoids, which of the following statements is no...

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  12. Iron exhibits +2 and +3 oxidation states. Which of the following state...

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  13. When H(2)O(2) is shaken with an acidified solution of K(2)Cr(2)O(7) in...

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  14. Four successive members of the first series of transition metals are l...

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  15. Which of the following arrangements does not represent the correct ord...

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  16. Which series of reactions correctly represents chemical rections relat...

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  17. The colour of KMnO(4) is due to

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  18. Which one of the following ions has same numbr of unpaired electrons a...

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  19. Among the following pairs the maximum, oxidation states is shown by

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  20. The atomic number of cerium (Ce) is 58. The correct electronic con...

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