Question:
Among the following, the energy of $2 \mathrm{~s}$ orbital is lowest in :
Correct Option: 1
Solution:
In 'K', 2s orbital feel maximum attraction from nucleus (So having less energy) due to more $\mathrm{Z}_{\text {eff }}$.
Click here to get exam-ready with eSaral
For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.