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Variable oxidation state is shown by...

Variable oxidation state is shown by

A

normal elements

B

metallic elements

C

nonmetallic elements

D

transition elements.

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The correct Answer is:
D
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NIKITA PUBLICATION-D-AND F-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
  1. Transition elements have greater tendency to form complexes because

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

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  3. Variable oxidation state is shown by

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

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

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

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  7. Which one of the following ions is colourless ?

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

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

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  10. Which is the set of non stoichiometric compounds

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  11. Which of the following has highest ionisation energy ?

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

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  13. Fe^(+3)

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

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  15. Ground state electronic configuration of Cr atom is :

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

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

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

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  19. The highest oxidation state of Mn is shown by

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  20. Number of unpaired electrons present in [Ni(H(2)O)(6)]^(2+)

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