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The orbital angular momentum of a s-electron in 3rd orbit is zero

The magnetic quantum number of an electron present in 2nd orbit can be - 2

In H-atom, the order of energies of orbitals is : 3s = 3p = 3d

Schrodinger wave equation cannot give information about spin quantum number

answer is C.

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Detailed Solution

(3) For the electron present in 2nd orbit, n =2 , l can be 0 (or) 1 and m can be -1. 0, +1 but cannot be -2’

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