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Which one of the cyano complexes would e...

Which one of the cyano complexes would exhibit the lowest value of para magnetic behaviour ?
(At. No. Cr = 24, Mn = 25, Fe = 26, Co = 27)

A

`[Co(CN)_6]^(3-)`

B

`[Fe(CN)_6]^(3-)`

C

`[Mn(CN)_6]^(3-)`

D

`[Cr(CN)_6]^(3-)`

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The correct Answer is:
A
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Which one of the cyano complexes would exhibit the lowest value of paramagnetic behaviour ?

The d electron congfiguration of Cr^(2+) , Mn^(2+) , Fe^(2+) and Ni^(2+) are 3d^(4) , 3d^(5) , 3d^(6) and 3d^(8) respectively. Which one of the folowing aqua complexes will exhibit the minimum paramagnetic behaviour ? (At. No . Cr = 24, Mn = 25, Fe = 26, Ni = 28)

The d electron configuration of Cr^(2+) , Mn^(2+) , Fe^(2+) and Ni^(2+) aru 3d^(4) , 3d^(5) 3d^(6) and 3d^(8) respectively. Which one of the following aqua complexes will exhibit the maximum paramagnetic behaviour? (At. No. Cr= 24, Mn=25, Fe = 26, Ni = 28)

Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour ?

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