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Which one of the following is an inner orbital complex as well as diamagnetic in behaviour (Atomic no. Zn = 30, Cr = 24, Co = 27, Ni = 28) :

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Which one of the following is an inner orbital complex as well as diamagnetic in behaviour (Atomic no. Zn = 30, Cr = 24, Co = 27, Ni = 28) :

(a) [Zn(NH3)6]2+ 

(b) [Cr(NH3)6]3+

(c) [CO(NH3)6]3+

(d) [Ni(NH3)6]2+

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1 Answer

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Option : (c) [CO(NH3)6]3+

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