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In the transition element the incoming e...

In the transition element the incoming electron occupies `[n-1]` d sublevel in preference to

A

np-level

B

ns-level

C

(n-1) p -level

D

(n+1) s-level

Text Solution

Verified by Experts

The correct Answer is:
A
the electron is filled in the order ns, `(n-1) d^(7)ns^(2)`
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
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  4. Which one of the following represents the electronic configuration of ...

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  5. The element whose electronic configuration is 1s^(2), 2s^(2)2p^(6), 3s...

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  6. The element of 4th period of the periodic table having maximum number ...

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  7. Which of the following ions does not have the configuration of argon ?

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  8. Iso-electronic ions are those which have

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  9. The electronic configuration of the fourth transition element is

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  10. which among the following species has the same number o f electrons in...

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  11. The general valence shell electronic configuration of transition eleme...

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  12. The anion O^(2-) is iso-electronic with

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  13. In the iso-electronic series : K^(+),Cl^(-),S^(2-),Ca^(2+), the lar...

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  14. Which among the following is not iso-electronic ?

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  15. An element of p-block in which last electron enters into s-orbital of ...

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  16. In which of the following compound size of cation to anion ratio is mi...

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  17. Which of the following ios not different for an atoms and its correspo...

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  18. Which of the following elements represents highly electropositive as w...

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