Coordination Compounds - Result Question 48

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

[2012]

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

(b) .[Zn(NH3)6)]2+

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

(d) [Co(NH3)6]3+

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Solution:

  1. (a) [Ni(NH3)6]2+ Ni2+=3d8, according to CFT=t2g6eg2 therefore, hybridisation is Misplaced & complex is paramagnetic and outer orbital.


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