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Which among the following is incorrect ?...

Which among the following is incorrect ?

A

`Mn^(+2) gt Fe^(+2) gt Co^(+2)gtNi^(+2)` : ionic size

B

`K gt Ca gt Sc gt Ti` : Density

C

`V lt Cr gt Mn` : M.P

D

`Fe=Co=Ni` : Atomic size

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