Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Which of the following specie does NOT have `d^10 or d^0` configuration of metal ion - Sarthaks eConnect
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Practice Online Test Series for JEE Main 2018 & NEET 2018

Which of the following specie does NOT have `d^10 or d^0` configuration of metal ion

A.

[Cu(NCC`H_3)_4]BF_4`

B.

`(NH_4)_2[TiCl_6]`

C.

`MnO_4^(2-)`

D.

`CrO_4^(2-)`