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The electron which take part in order to...

The electron which take part in order to exhibit variable oxidation states by transition metals are

A

ns electrons

B

(n-1) d-electrons

C

ns and (n-1) d-electrons

D

(n+1) d-electrons

Text Solution

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The correct Answer is:
C
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NIKITA PUBLICATION-D-AND F-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
  1. The transition metals have last electron entering into (n-1) d-orbital...

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  2. Transition elements have greater tendency to form complexes because

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  3. The electron which take part in order to exhibit variable oxidation st...

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  4. Variable oxidation state is shown by

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  5. Which of the following is wrong about interstitial compounds ?

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  6. The number of d-electrons retained in Fe^(2+) (At. No. Fe=26) ions are...

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  7. The colour of transition metal ion is attributed to:

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  8. Which one of the following ions is colourless ?

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  9. Which of the following transition metal ion will have magnetic moment ...

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  10. If n is the number of unpaired electrons, the magnetic moment (in BM) ...

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  11. Which is the set of non stoichiometric compounds

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  12. Which of the following has highest ionisation energy ?

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  13. A transition element X has a configuration [Ar] 3d^(4) in its + 3 oxi...

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  14. Fe^(+3)

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  15. Which of the following is not correct about transition metals

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  16. Ground state electronic configuration of Cr atom is :

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

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  18. The no. of unpaired electrons in Mn^(7+) ions (At. No of Mn =25) is

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  19. The first and last element of the second transition series respectivel...

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  20. The highest oxidation state of Mn is shown by

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