Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Which of the following species has maximum tendency to form complex - - Sarthaks eConnect
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Practice Online Test Series for JEE Main 2018 & NEET 2018

Which of the following species has maximum tendency to form complex :-

A.

`La^+3`

B.

`Gd^+3`

C.

`Lu^+3`

D.

`Ce^+3`