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Which of the following complex exhibits the highest paramagnetic behaviour?
(where gly = glycine, en = ethylene diamine and bpy = bipyridyl moities (At Nos. Ti = 22, V = 23, Fe = 26, Co = 27)
  • a)
    [ V(gly)2OH2(NH3)2]+
  • b)
    [Fe(en)(bpy)(NH3)2]2+
  • c)
    [Co(OX)2(OH)2]2−
  • d)
    [Ti(NH3)6]3+
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which of the following complex exhibits the highest paramagnetic behav...
Paramagnetic behavior of complexes:
Complexes with unpaired electrons exhibit paramagnetic behavior. The number of unpaired electrons in a complex is affected by factors such as the metal ion and the ligands attached to it.
Complexes with high spin d^4 or d^7 configurations typically exhibit the highest paramagnetic behavior due to the presence of multiple unpaired electrons.

Analysis of given complexes:
a) [V(gly)2OH2(NH3)2]+
- This complex has a d^3 configuration with 3 unpaired electrons.
b) [Fe(en)(bpy)(NH3)2]2+
- This complex has a d^6 configuration with 4 unpaired electrons.
c) [Co(OX)2(OH)2]2-
- This complex has a d^7 configuration with 3 unpaired electrons.
d) [Ti(NH3)6]3+
- This complex has a d^0 configuration with no unpaired electrons.

Conclusion:
The complex [Co(OX)2(OH)2]2- exhibits the highest paramagnetic behavior among the given options due to its d^7 configuration with 3 unpaired electrons. This makes it the most paramagnetic complex in this set.
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Which of the following complex exhibits the highest paramagnetic behaviour?(where gly = glycine, en = ethylene diamine and bpy = bipyridyl moities (At Nos. Ti = 22, V = 23, Fe = 26, Co = 27)a)[ V(gly)2OH2(NH3)2]+b)[Fe(en)(bpy)(NH3)2]2+c)[Co(OX)2(OH)2]2−d)[Ti(NH3)6]3+Correct answer is option 'C'. Can you explain this answer?
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