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The order of stability of complexes of ion Cu+2, Ni+2, Mn+2 and Fe+2 decreases in the order -

A

Cu+2 > Ni+2 > Fe+2  > Mn+2

B

Mn+2 > Ni+2 > Cu+2 > Fe+2 

C

Ni+2 > Cu+2 > Fe+2 > Mn+2

D

Fe+2  > Ni+2 > Cu+2 > Mn+2

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