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Which one of the following complexes in an outer orbitals complex–                                 [AIEEE-2004]
  • a)
     [Co(NH3)6]3+
  • b)
     [Mn(CN)6]4_
  • c)
    [Fe(CN)6]4_
  • d)
     [Ni(NH3)6]2+
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which one of the following complexes in an outer orbitals complex&ndas...
The correct answer is option D
Generally weaker field ligands form outer orbital complexes.
CN− is a very strong ligand and NH3​ is a weak ligand.
So [Co(NH3​)6​]3+ and  [Ni(NH3​)6​]2+ can form an outer orbital complex.
Electronic configuration of Co+3 is [Ar]3d64s0
Electronic configuration of Ni+2 is [Ar]3d84s0
Nickel complexes can form due to presence of d8 configuration.
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Most Upvoted Answer
Which one of the following complexes in an outer orbitals complex&ndas...
The correct answer is option D
Generally weaker field ligands form outer orbital complexes.
CN− is a very strong ligand and NH3​ is a weak ligand.
So [Co(NH3​)6​]3+ and  [Ni(NH3​)6​]2+ can form an outer orbital complex.
Electronic configuration of Co+3 is [Ar]3d64s0
Electronic configuration of Ni+2 is [Ar]3d84s0
Nickel complexes can form due to presence of d8 configuration.
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Community Answer
Which one of the following complexes in an outer orbitals complex&ndas...
Here sp3d2 hybridization will take place it is only possible thing which take place we know dsp3d conf. is not possible. if you have further doubt message me I will explain you..
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Which one of the following complexes in an outer orbitals complex– [AIEEE-2004]a)[Co(NH3)6]3+b)[Mn(CN)6]4_c)[Fe(CN)6]4_d)[Ni(NH3)6]2+Correct answer is option 'D'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Which one of the following complexes in an outer orbitals complex– [AIEEE-2004]a)[Co(NH3)6]3+b)[Mn(CN)6]4_c)[Fe(CN)6]4_d)[Ni(NH3)6]2+Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following complexes in an outer orbitals complex– [AIEEE-2004]a)[Co(NH3)6]3+b)[Mn(CN)6]4_c)[Fe(CN)6]4_d)[Ni(NH3)6]2+Correct answer is option 'D'. Can you explain this answer?.
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