Not considering the electronic spin, the degeneracy of the second excited state (n = 3) of H-atom is 9, while the degeneracy of the second excited state of H- is . . . .
see full answer
High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET
🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya
answer is 3.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
H- is a multielectron species. Hence, it will follow n+l rule. H−2e→ 1s22s02p0ground state → 1s22s2p1second excited state 1 → Degeneracy = 3