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Which electronic level would allow the ...

Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon ?

A

3s

B

2p

C

2s

D

1s

Text Solution

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The correct Answer is:
D
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MOTION-ATOMIC STRUCTURE -EXERCISE-2 (LEVEL-I)
  1. Which of the following graphs correspond to one node ?

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  2. Suggest the angular and spherical nodes in a.4p b.3p c. 3s

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  3. Increasing order of magnetic monent among the following species is ...

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  4. Which electronic level would allow the hydrogen atom to absorb a phot...

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  5. The orbital angular momentum of an electron in 2s orbital is ………

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  6. Which quantum number is not related with Schrodinger equation :-

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  7. In the absence of external magnetic field, d-orbital is

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  8. In which of the following pairs is the probability of finding the elec...

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  9. The maximum probability of finding electron in the d(xy) orbital is -

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  10. The number of unpaired electrons in carbon atom is -

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  11. When 4 d orbital is complete, the newly entering electrons goes in to ...

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  12. Which of the following elements is represented by the electronic confi...

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  13. The number of d-electrons in Fe^(2+) (Z= 26 ) is not equal to that o...

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  14. Magnetic moment of X^(+3) ion of 3d series is sqrt(35)B.M What is the ...

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  15. Which element is represented by the following electronic configuration...

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  16. What are the values of the orbital angular momentum of an electron in ...

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  17. The magnetic moment of V^(4+) ion -

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  18. Which orbital represents the following set of quantum numbers n =3, l=...

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  19. The number of unpaired electrons in Zn^(2+) is

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  20. The correct set of four quantum numbers for valence electrons of rubid...

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