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The transition metals have last electron...

The transition metals have last electron entering into (n-1) d-orbital, where d-orbital are degenerate. Colour of transition metal ions is due to absorption of light of some wavelength. This result in transition of electron which is

A

d-s transition

B

d-d transition

C

d-p transition

D

both 'a' and 'b'

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The correct Answer is:
B
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NIKITA PUBLICATION-D-AND F-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
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  2. Which of the following ion is coloured ?

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  3. The transition metals have last electron entering into (n-1) d-orbital...

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  4. Transition elements have greater tendency to form complexes because

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

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  6. Variable oxidation state is shown by

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

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

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

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  10. Which one of the following ions is colourless ?

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

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

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  13. Which is the set of non stoichiometric compounds

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  14. Which of the following has highest ionisation energy ?

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

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  16. Fe^(+3)

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

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  18. Ground state electronic configuration of Cr atom is :

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

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

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