MCQ
The diamagnetic specie is
- ✓${[Ni{(CN)_4}]^{2 - }}$
- B${[NiC{l_4}]^{2 - }}$
- C${[CoC{l_4}]^{2 - }}$
- D${[Co{F_6}]^{2 - }}$

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$B.$ $N , N$ -Dimethylaniline
$C.$ N-Methyl aniline
$D.$ Benzenamine
Choose the correct order of basic nature of the above amines.