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Which of the following ions has d^(5) el...

Which of the following ions has `d^(5)` electronic configureation ?

A

`Cr ^(2+)`

B

`Co^(3+)`

C

`Mn^(3+)`

D

`Fe^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
D
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NIKITA PUBLICATION-D-AND F-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
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  2. Which one of the following statements is false ?

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  3. Which of the following ions has d^(5) electronic configureation ?

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  4. Which of the following ions is colourless ?

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  5. maximum number of variable oxidation state in a transition series are ...

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  6. Which of the following metals exhibits more than one oxidation state ?

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  7. Which of the following species is expected to be paramagnetic ?

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  8. The density of Sc is

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  9. In first transition series, the melting point of Mn is low because

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  10. Of the ions Zn^(2), Ni^(2 +) and Cr^(3 +) [atomic number of Zn = 30, N...

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  11. Paramagnetism is exhibited by molecules which

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  12. Which one of the following is transition element ?

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  13. Which of the following is a colourless ion?

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  14. If a compund absorbs orange colour from the white light, then the obse...

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  15. The atomic radii of transition elements in a period are.

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  16. Which of the following d-block elements has d^(10) configuration ?

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  17. The ore cromite contsins FeO and

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  18. An atom with atomic number 21 belongs to the category of

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  19. The highest magnetic moments is shown by the transition metal ion wit...

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  20. Which of the following pair of ions have the same number of unpaired e...

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