JEE Main 20253 AprilEvening Shift
- Exam
- JEE Main
- Year
- 2025
- Date
- 3 April
- Shift
- Evening Shift
- Subject
- Chemistry
- Chapter
- d and f Block Elements
JEE Main 2025 · 3 April · Evening Shift · Chemistry · d and f Block Elements
Among, Sc, Mn, Co and Cu , identify the element with highest...
Among, and Cu , identify the element with highest enthalpy of atomisation. The spin only magnetic moment value of that element in its +2 oxidation state is _____ BM (in nearest integer).
Correct answer
0
Step-by-step solution
| Sc | Mn | Co | Cu | |
| 326 | 281 | 425 | 339 |
Highest Co
\mathrm{Co}^{+2}=\mathrm{Ar}) 3 \mathrm{~d}^7
=4