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QAIPMT-2005-Ph-2524: NEET 2005 Chemistry - Class 12 AIPMT-2005-Ph-2524 Solution: Which one of the following is an inner orbital complex as well…

Which one of the following is an inner orbital complex as well as diamagnetic in behaviour?

Multiple Choice Options

  • A [Zn(NH3)6]2+[Zn(NH_3)_6]^{2+}
  • B [Cr(NH3)6]3+[Cr(NH_3)_6]^{3+}
  • C [Co(NH3)6]3+[Co(NH_3)_6]^{3+}
  • D [Ni(NH3)6]2+[Ni(NH_3)_6]^{2+}

Step-by-Step Verified Solution

In [Co(NH 3 ) 6 ] 3+ Co +3 = [ 18 Ar] 3d 6 4s 0 [Co(NH 3 ) 6 ] 3+ is an inner orbital complex as well as diamagnetic in behaviour (due to absence of unpaired electrons).

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