CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
Question

Arrange Ce3+,La3+,Pm3+ and Yb3+ in increasing order of their ionic radii.


A
Yb3+<Pm3+<Ce3+<La3+
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
Ce3+<Yb3+<Pm3+<La3+
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Yb3+<Pm3+<La3+<Ce3+
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Pm3+<La3+<Ce3+<Yb3+
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A Yb3+<Pm3+<Ce3+<La3+
As we move from left to right in a period, radii decrease due to an increase in nuclear charge and lanthanide contraction.
So the order is Yb3+<Pm3+<Ce3+<La3+.

flag
Suggest Corrections
thumbs-up
0
mid-banner-image
mid-banner-image
similar_icon
Related Videos
thumbnail
lock
Lanthanoids
CHEMISTRY
Watch in App