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Which of the following transition metal ...

Which of the following transition metal shows the highest oxidation state:

A

`Mn`

B

`Fe`

C

`V`

D

`Cr`

Text Solution

Verified by Experts

The correct Answer is:
A
Electron configuration of `Mn` is `[Ar]^(18) 3d^(5) 4s^(2)` and thus it contain five unpaired electrons. Hence it can show the highest oxidation state equal to `+7`
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RESONANCE-D BLOCK ELEMENTS-EXERCISE-2 PART-II
  1. Among the following pairs of ions the lower oxidation state in aqueous...

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  2. VO(2) is an amphoteric oxide and in acidic medium it form:

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  3. Which of the following transition metal shows the highest oxidation st...

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  4. Standard reduction electrode potential of Zn^(2+)//Zn is -0.76V. This ...

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  5. E^(Theta) value for the couple Cr^(3+)//Cr^(2+) and Mn^(3+)//Mn^(2+) a...

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  6. Which one of the following show highest magnetic moment?

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  7. Amongest the following the lowest degree of paramagnetism per mole of ...

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  8. Which one of the transittion metal ions is coloured in aqueous solutio...

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  9. Compound that is both paramagnetic and coloured is:

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  10. Which of the following is expected to be coloured?

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  11. Most transition metals:(I) Form sets of compounds which display differ...

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  12. The aqueous solution of the following salts will be coloured in the ca...

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  13. Which one of the following characteristics of the transition metals is...

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  14. German silver is an alloy of copper and:

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  15. Ferric sulphate on heating gives:

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  16. Anhydrous ferric chloride is prepared by:

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  17. At 3000^(@)C FeCl(3):

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  18. Iron is rendered passive by treatment with concentrated :

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  19. Lucas reagent is:

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  20. Which one of the following dissolves in hot concentrated NaOH?

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