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The electrons identified by quantum numb...

The electrons identified by quantum numbers n and l are
I) n = 4, l = 1 (II) n = 4, l = 0 (III) n = 3,l =2 (IV) n = 3, l = 1
can be placed in order of increasing energy as

A

`IV lt II lt III lt I`

B

`II lt IV lt I lt III`

C

`I lt III lt II lt IV`

D

`III lt I lt IV lt II`

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The correct Answer is:
A
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AAKASH SERIES-ATOMIC STRUCTURE-Level - I (EAMCET) (Exercise - V (Electronic configuration , Aufbau principle, Pauli.s Exclusion principle and Hund.s rule ))
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  8. In which of the following Aufbau principle is violated?

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  9. Which of the following electronic configuration is not possible?

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  10. The configuration 1s^(2)2s^(2)2p^(5)3s^(1) shows

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  11. Which of the following has maximum unpaird d-electrons ?

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  12. Consider the ground state of Cr atom (Z = 24). The numbers of electron...

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  13. Mass number of Li, Be and B are 7,9 and 10 respectively. Which of the ...

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  16. When a greater number of electrons from excited hydrogen atoms reach t...

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  17. What electronic transition in Li^(+2) produces the radiation of the sa...

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  18. The wavelength of the spectral line, for the transition n = 2 to n=1 i...

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  19. The ratio of the wave lengths of the first line in the Lyman series of...

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