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Ce^(3+), La^(3+), Pm^(3+)" तथा "Yb^(3+) ...

`Ce^(3+), La^(3+), Pm^(3+)" तथा "Yb^(3+)` की आयनिक त्रिजाओ का क्रम है

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

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Consider the following statements (1) The basic strength of hydroxides of lanthanides decreases from La(OH)_3 " to " Lu(OH))_3 (2) The lanthanoid ion Lu^(3+) Yb^(2+) and Ce^(4+) are diamagnetic (3) The corret order of ionic radii of Ce^(3+) , La^(3+) Pm^(3+) and Yb^(3+) is Yb^(3+) lt Pm^(3+) lt La^(3+) lt Ce^(3+) Which of the statemnets given above is / are correct ?

Arrange Ce^(3+),La^(3+),Pm^(3+), and Yb^(3+) in increasing order of their ionic radii