wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The energy level of 4s-orbital is less than 3d-orbital because:


A

4s-orbital is more near to nucleus than 3d-orbital

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

4s-orbital penetrates more into the nucleus than 3d-orbital

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C

4s-orbital can have only two electrons where as 3d can have 10 electrons

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

4s-orbital is spherical and 3d-orbital is double dumb bell

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B

4s-orbital penetrates more into the nucleus than 3d-orbital


Penetrating effect of orbitals os as follows
s > p > d > F
thereby, by (n +l) rule 4s have lower energy than 3d.

flag
Suggest Corrections
thumbs-up
16
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon