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Out of the following pairs of electrons,

Question:

Out of the following pairs of electrons, identify the pairs of electrons present

in degenerate orbitals :

(i) (a) n = 3, l = 2, ml = –2, ms= − 1/2

(b) n = 3, l = 2, ml = –1, ms= − 1/2

(ii) (a) n = 3, l = 1, ml = 1, ms = +1/2

(b) n = 3, l = 2, ml = 1, ms = +1/2

(iii) (a) n = 4, l = 1, ml = 1, ms = +1/2

(b) n = 3, l = 2, ml = 1, ms = +1/2

(iv) (a) n = 3, l = 2, ml = +2, ms = − 1/2

(b) n = 3, l = 2, ml = +2, ms = +1/2

Solution:

Option (i) and (iv) are the answers.

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