The correct statement on the isomerism associated with the following complex ions , `(a) [Ni(H_(2)O)_(5)NH_(3)]^(2+), (b) [Ni(H_(2)O)_(4)(NH_(3))_(2)]

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The correct statement on the isomerism associated with the following complex ions , `(a) [Ni(H_( ... a) and (b) show geometrical and optical isomerism

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