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Which one of the elements with the follo...

Which one of the elements with the following outer orbital configuration may exhibit the larger number of oxidation states ?

A

`3d^(5) 4s^1`

B

`3d^(5) 4s^2`

C

`3d^(2) 4s^2`

D

`3d^(3) 4s^2`

Text Solution

Verified by Experts

The correct Answer is:
B
Number of oxidation states = Number of valence electrons. Since number of valence electrons is maximum in `3d^(5)4s^2` , it shows maximum number of oxidation states.
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Knowledge Check

  • Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states?

    A
    `3d^(5)4s^(1)`
    B
    `3d^(5)4s^(2)`
    C
    `3d^(2)4s^(2)`
    D
    `3d^(3)4s^(2)`

  • Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states?

    A
    `3d^5 4s^1`
    B
    `3d^5 4s^2`
    C
    `3d^2 4s^2`
    D
    `3d^34s^2`

  • The element with which of the following outer electron configuration may exhibit the largest number of oxidation states in its compounds

    A
    `3d^54s^2`
    B
    `3d^84s^2`
    C
    `3d^74s^2`
    D
    `3d^64s^2`
    • MODERN PUBLICATION-D AND F-BLOCK ELEMENTS-COMPETITION FILE (MULTIPLE CHOICE QUESTION ((B) MULTIPLE CHOICE QUESTION FROM COMPETITIVE EXAMINATION))
    1. Which one of the elements with the following outer orbital configurati...

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    2. The correct order of ionic radii Y^(3+),La^(3+),Eu^(3+) and Lu^(3+) is...

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    3. KMnO(4) is a strong oxidising agent in acidic medium. To provide acidi...

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    4. Manganese achieves its maximum oxidation state in its compound :

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    5. Which of the following ions will exhibit colour in aqueous solution ?

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    6. Which of the following pairs has the same size ?

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    7. Among the oxides, Mn2O7 (I), V2O3 (II), V2O5 (III), CrO (IV) and Cr2O3...

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    8. The acidic, basic or amphoteric nature of Mn2O7, V2O5 and CrO are res...

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    9. Acidified K(2)Cr(2)O(7) solution turns green when Na(2)SO(3) is added ...

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    10. For the four successive transition elements (Cr, Mn, Fe, and Co), the ...

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    11. Which of the following statements is not true ?

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    12. Which of the following does not give oxygen on heating ?

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    13. Which of the following lanthanoid ions is diamagnetic ? (At nos . Ce...

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    14. Reason of lanthanoid contraction is

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    15. The reaction of aqueous KMnO4 with H2O2 gives

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    16. Magnetic moment 2.83 BM is shown by which of the following ions?

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    17. Among the transition metals of 3d series, that one that has the highes...

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    18. Gadolinium belongsd to 4f series. It's atomic number is 64. which of t...

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    19. Because of lanthnoid contraction, which of the following pairs of elem...

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    20. The electronic configuration of Eu (Atomic No. 63), Gd (Atomic No. 64)...

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