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The general electronic configuration of ...

The general electronic configuration of d-block elements is

A

`(n-1)d^(1-10) ns^2`

B

`(n-1)d^(1-10)ns^(1-2)`

C

`(n-1)d^(0-10) ns^(1-2)`

D

`(n-1)d^(0-10)s^(0-2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`(n-1)d^(1-10)ns^(1-2)`
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ICSE-d- AND- f- BLOCK ELEMENTS-EXERCISE (PART-I)(OBJECTIVE QUESTIONS)(THE CORRECT ALTERNATIVE FROM THE CHOICES GIVEN : )
  1. d-block elements are called ul("inner-transition elements.")

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  2. In transition elements, the last electron enters in the

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  3. The general electronic configuration of d-block elements is

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  4. The incorrect statement regarding transition elements is

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  5. The element which does not show +4 oxidation state is:

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  6. The more paramagnetic in the following is

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  7. Electronic configuration of a transition element X in + 3 oxidation st...

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  8. The electronic configuration of Cu(II) is 3d^9 whereas that of Cu(I) i...

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  9. Metallic radii of some transition elements are given below. Which of t...

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  10. Generally transition elements form coloured salts due to the presence ...

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  11. On addition of small amount of KMnO(4) to concentrated H(2)SO(4), a g...

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  12. The magnetic nature of elements depends on the presence of unpaired el...

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  13. Which of the listed oxidation states is common for all lanthanoids ?

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  14. Which of the following reactions are disproportionation reactions ? ...

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  15. When KMnO4 solution is added to oxalic acid solution, the decolourisat...

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  16. There are 14 elements in actinoid series. Which of the following eleme...

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  17. KMnO(4) acts as an oxidising agent in acidic medium. The number of mol...

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  18. Which of the following is amphoteric oxide? Mn(2)O(7), CrO(3), C...

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  19. Gadolinium belongs to 4f series. It's atomic number is 64. Which of th...

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  20. Interstitial compounds are formed when small atoms are trapped inside ...

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