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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 only

B

`(n-1)d` only

C

ns and `(n-1)d` but not np

D

`(n-1)d` and np only but not ns

Text Solution

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The correct Answer is:
C
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NARAYNA-D BLOCK & TRANSITION ELEMENTS-Level-I
  1. Which one of the following pairs of ions have the same electronic conf...

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  2. Which one of the following ions has same numbr of unpaired electrons a...

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

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  4. The most abundant transition metal in earth crust is :

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  5. In the following pair of d-block elements, the first number is a liqui...

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  6. Cementite is:

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  7. {:("List -I","List-II"),("(A) Rutile",(i) ZnCO(3)),("B) Chromite","(ii...

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  8. Which element exhibits highest density in 3d series

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  9. The maximum and minimum melting points of first and second transition ...

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  10. The metal that has the highest melting point and used in making hard s...

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  11. The property, which is not charactestics of transition metals

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  12. The pair that has the greatest malleability and ductility property is

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  13. The metal that has the lowest boiling point among the following is

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  14. Oxide of metal cation which is not amphoteric ?

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  15. The wrong statement regarding transition metals among the following is...

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  16. Which of the following statement is incorrect?

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  17. The IP of Zr is 674kJ//"mole". The IP of Hf is

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  18. The following does not show variable valency

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  19. Element which can show +2, +3, +4, +6 and +7 oxidation states is

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  20. Maximum oxdiation state exhibited by Osmium is

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