JEE Main 2026 Chemistry question
The total number of unpaired electrons present in the d³, d⁴ (low spin), d⁵ (high spin), d⁶ (high spin) and d⁷ (low spin) octahedral complex systems is .
Answer: 15
Solution
d³=3, d⁴(LS)=2, d⁵(HS)=5, d⁶(HS)=4, d⁷(LS)=1. Total=3+2+5+4+1=15.