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The decreasing order of energy of the 3d...

The decreasing order of energy of the `3d,4s,3p,3s` orbital is :-

A

`3dgt3sgt4sgt3p`

B

`3sgt4sgt3pgt3d`

C

`3dgt4sgt3pgt3s`

D

`4sgt3dgt3sgt3p`

Text Solution

Verified by Experts

The correct Answer is:
C
The value of `l=0` to `(n-1)`
Number of electron for given value of `l=2 (2l+1)` hence `underset(l=0)overset(l=(n-1))(sum)2(2l+1)`
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ALLEN-ATOMIC STRUCTURE-Exercise - 02
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  2. Which orbit would be the first to have g subshell :-

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  3. The decreasing order of energy of the 3d,4s,3p,3s orbital is :-

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  4. If n and l are respectively the principal and azimuthal quantum number...

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  8. In order to have the same wavelength for the electron (mass m(e)) and ...

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  9. The quantum number + 1//2 and -1//2 for the electron spin represent

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  10. Which is true about Psi :-

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  11. The circumference of n^(th) orbit in H-atom can be expressed in terms ...

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  12. A particle X moving with a certain velocity has a debroglie wave lengt...

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

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  14. If m = magnetic quantum number and l = azimuthal quantum number then :...

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  15. The number of unpaired electron in Mn^(4+) (Z = 25) is :-

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  16. After np orbitals are filled, the next orbital filled will be :-

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  20. The energies of energy levels A, B and C for a given atom are in the s...

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