Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour ? <br> (Atomic no. Cr = 24, Mn = 25, Fe = 26, Co = 27 )

Question

( A ) $[Co(CN)_6]^{3-}$
( B ) $[Fe(CN)_6]^{3-}$
( C ) $[Mn(CN)_6]^{3-}$
( D ) $[Cr(CN)_6]^{3-}$