In a multi electron atom, which of the following orbitals described by three quantum numbers will have same energy in absence of electric and magnetic fields? A. n = 1, l = 0, ml = 0 B. n = 2, l = 0,

Question

In a multi electron atom, which of the following orbitals described by three quantum numbers will have same energy in absence of electric and magnetic fields? A. n = 1, l = 0, ml = 0 B. n = 2, l = 0, ml = 0 C. n = 2, l = 1, ml = 1 D. n = 3, l = 2, ml = 1 E. n = 3, l = 2, ml = 0 Choose the correct answer from the options given below:

(A) B and C only
(B) A and B only
(C) D and E only
(D) C and D only

Prashant Kotian · Accepted Answer

Correct answer: C. In case of multiple electronic species for same energy orbital their n and l are must be same. (D = n - 3, l = 2, Ml = 1, E = n = 3, l = 2, Me = 0) have same energy. | JEE(Main) 2025 | DATE : 28-01-2025 (SHIFT-1) | PAPER-1 | CHEMISTRY PAGE # 4

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