Smallest ionic radius is 1 La3+ 2 U3+ 3 Yb3+ 4 Cf3+

Question 1

Question 2

Your question option is likely to be Yb3+, Pm3+ ,Ce3+, La3+

Yb3+has smallest ionic radius because atomic and ionic radii of lanthanide decreses from La to Lu

Thus order of radii is

Yb3+ < Pm3+ < Ce3+ < La3+

kratos · Answer 1 · 2020-08-04T10:45:27+0000

Your question option is likely to be Yb3+, Pm3+ ,Ce3+, La3+

Yb3+has smallest ionic radius because atomic and ionic radii of lanthanide decreses from La to Lu

Thus order of radii is

Yb3+ < Pm3+ < Ce3+ < La3+

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