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Which of the following is electronic con...

Which of the following is electronic configuration of `Cu^(2+) (Z = 29)` ?

A

`[Ar]4s^(1)3d^(8)`

B

`[Ar]4s^(2)3d^(10)4p^(1)`

C

`[Ar]4s^(1)3d^(10)`

D

`[Ar]3d^(9)`

Text Solution

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The correct Answer is:
D
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ALLEN-ATOMIC STRUCTURE-Exercise - 01
  1. Match the following - {:((a),"Energy of ground state of" He^(+),(i)...

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  2. The energy of hydrogen atom in its ground state is -13.6 eV. The ener...

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  3. Total no of lines in Lyman series of H spectrum will be- (where n=n...

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  4. The spectrum of He is expected to be similar to.

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  5. What possibly can be the ratio of the de Broglie wavelength for two el...

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  6. The uncertainty in momentum of an electron is 1 xx 10^-5 kg - m//s. Th...

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  7. An alpha-"particle" is accelerated through a potential difference of V...

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  8. The orbital with zero orbital angular momentum is.

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  9. Which of the following is electronic configuration of Cu^(2+) (Z = 29)...

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  10. The electronic configuration of the Mn^(4+) ion is -

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  11. Which of the following has the maximum number of unpaired d-electron?

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  12. The total spin resulting from a d^7 configuration is :

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  13. {:("Given",K,L,M,N,),(,2,8,11,2,):} The number of electrons present ...

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  14. The configuration is 1s^(2) 2s^(2) 2p^(5) 3s^(1) shows :

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  15. The possible value of l and m for the last electron in the Cl^(- )ion ...

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  16. In which transition, one quantum of energy is emitted -

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  17. Chose the currect on the basis of Bohr's theory

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  18. The mangnitue of spin angular momentum of electron is givenby :

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  19. The change in orbital angular momentum corresponding to an electron tr...

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  20. In which of these options do both consituents of the pair have the sam...

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