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The correct order of ionic radii of Y^(3...

The correct order of ionic radii of `Y^(3+), La^(3+), Eu^(3+)` and `Lu^(3+)` is (At.no. Y=39, La=57, Eu=63, Lu=71)

A

`Y^(3+) lt La^(3+) lt Eu^(3+) lt Lu^(3+)`

B

`Y^(3+) lt Lu^(3+) lt Eu^(3+) lt La^(3+)`

C

`Lu^(3+) lt Eu^(3+) lt La^(3+) lt Y^(3+)`

D

`La^(3+) lt Eu^(3+) lt Lu^(3+) lt Y^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
B
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