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The electronic configuration of actinide...

The electronic configuration of actinides can not be assigned wtith degree of certainty because of :

A

Small energy difference between 5f and 6d levels

B

Ovarlapping ofiner orbitals

C

Free movement of electrons over all the orbitals

D

None of the above

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The correct Answer is:
A
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MBD PUBLICATION-TRANSITION METALS (d-BLOCK ELEMENTS)-QUESTION BANK
  1. The lanthanide contraction relates to :

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  2. The blue colour produced on adding H2O2 to acidified K2Cr2O7 is due to...

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  3. The electronic configuration of actinides can not be assigned wtith de...

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  4. The inner transition elements are the elements in which the added elec...

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  5. Zr and Hf almost equal atomic and ionic radii because:

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  6. Which of the following is a lanthanide ?

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  7. Which of the following transition elements is not resistant to corrisi...

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  8. Find the magnetic moment of Cr^(3+) ion.

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  9. Which forms interstitial compounds ?

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  10. Which transition metal is used for the reduction of steam to hydrogen ...

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  11. Which of the following oxides of chromium is amphoteric in nature ?

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  12. Chromium compound used in training of leather is:

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  13. Steel that is resistant to acids is :

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  14. Permanent magnets are generaly made of alloys of :

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  15. The highest magmetic moment is shown by the transition metal ion with ...

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  16. Dilute alkaline solution of KMnO4 is called :

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  17. From a solution of CuSO4 , the metal used to recover copper is :

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  18. WhenKMnO4 reacts with acidified FeSO4:

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  19. Acidified potassium dichromate is treated with hydrogen sulphide.In th...

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  20. CrO3 dissolves in aqueous NaOH to give :

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