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Of the following outer electronic config...

Of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one of them ?

A

`(n-1)d^(8)ns^(2)`

B

`(n-1)d^(5)ns^(1)`

C

`(n-1)d^(3)ns^(2)`

D

`(n-1)d^(5)ns^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
It can exhibit maximum oxidation state of +7.
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NARAYNA-D - BLOCK ELEMENTS-EXERCISE-1 (INTRODUCTION)
  1. The most abundant transition metal in earth crust is :

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  2. Which of the following metals have both valence shell and penultimate ...

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  3. Of the following outer electronic configurations of atoms, the highest...

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  4. The atomic number of V,Cr, Mn and Fe are respectively 23,24,25 and 26....

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  5. Which of the following transition metal ions is colourless ?

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  6. Which of the following shows an oxidation state of +8?

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  7. Zn and Hg do not show variable valency like d-block elements because-

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  8. Highest oxidation state of Manganese and Osmium is shown with

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  9. Which of the following compound is not coloured ?

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  10. A solution containing Fe^(3+) is titrated against a standard solution ...

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  11. Which of the following compounds are coloured due to charge transfer s...

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  12. Which of the following pairs are not both coloured in aqueous solution...

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  13. N(2)(g)+3H(2)(g)overset(Fe+Mo)hArr2NH(3)(g), Haber's process, Mo is us...

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  14. Which one of the following shows highest magnetic moments?

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  15. Which of the following ion has the maximum magnetic moment?

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  16. The value of the 'spin only magnetic moment for one of the following c...

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  17. The "spin-only" magnetic moment [in units of Bohr magneton, (muB)] or...

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  18. In a transition series, as the atomic number increases, paramagnetism

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  19. The magnetic moment of a transition metal ion is 3.87BM. The number of...

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  20. Permanent magnets are generally made of alloys of

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