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Arrange Ce^(3+),La^(3+), Pm^(3) and Yb^(...

Arrange `Ce^(3+),La^(3+), Pm^(3)` and `Yb^(3+)` in increasing order of their size -

A

`Ce^(+3) lt Yb^(+3)lt P m^(+3) lt La^(+3)`

B

`Yb^(+3) lt Pm^(+3) ltLa^(+3) lt Ce^(+3)`

C

`Yb^(+3) lt Pm^(+3)lt Ce^(+3) lt La^(+3)`

D

`Pm^(+3) ltLa^(+3) lt Ce^(+3) lt Yb^(+3)`

Text Solution

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The correct Answer is:
C
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