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Ni2+(aq) + 3(NH2CH2CH2NH2) (aq) <----> [Ni(en)3]2+(aq) explain the kind of isomerism that the compound displays and...

Ni2+(aq) + 3(NH2CH2CH2NH2) (aq) <----> [Ni(en)3]2+(aq) explain the kind of isomerism that the compound displays and why such isomerism arises.

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