The radius of La3+ (Z = 57) is 106 pm. Which one of the following given values will be closest to the radius of Lu3+ (Z = 71)?
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
160 pm
b
140 pm
c
106 pm
d
85 pm
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Since ionic radii decreases from La3+ to Lu3+, due to lanthanoid contraction, so Lu3+ have least ionic radii out of the given radii. Hence answer is 85 pm.