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The correct sequence of energy of orbit...

The correct sequence of energy of orbitals of multielectron species is

A

49 gt 3d lt 4s

B

4s lt 4p lt 3d

C

4s lt 3d , 4p

D

3d lt 4s lt 4p

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The correct Answer is:
C
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AAKASH INSTITUTE-STRUCTURE OF ATOM-EXERCISE
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  2. The wavelength associated with an electron moving with velocity 10^(10...

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  3. Probability density is given by

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  4. The possible values of magnetic quantum number for p-orbital are

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  5. The notation of orbital with n=5 and l=3 is

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  6. In multi-electron atom 4s-orbital is lower in energy than

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  7. Shape of an orbital is given by

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  8. Orientation of orbitals is given by

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  9. Forn=4 , which one of the following values of l is not possible ?

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  10. If uncertainty in position and momentum are equal then uncertainty in ...

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  11. Which one of the following orbitals is spherical in shape ?

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  12. The number of electrons present in 3d of Cu^(o+) is

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  13. The maximum number of electrons that can be accomoddated in d(x^(2)-y^...

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  14. The number of unpaired electrons in magnesium atom is

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  16. The maximum number of unpaired electrons can present in p(x) orbital i...

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  17. The number of electrons present in 'M' shell of silicon is

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  18. The ion that is isoelectronic with CO is

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  19. Which of the following configuration is correct for iron

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  20. Which of the following has maximum of unpaired d- electrons ?

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