Q. 4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is :
A) 5f > 6p > 5p > 4d
B) 6p > 5f > 5p > 4d
C) 6p > 5f > 4d > 5p
D) 5f > 6p > 4d > 5p
Explanation
[Solution] (n + l): 5f = 8, 6p = 7, 5p = 6, 4d = 6 (lower n first), giving 5f > 6p > 5p > 4d. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.