The correct order of the following complexes in terms of their crystal filed stabilization energies — JEE Mains Chemistry Past Papers Chemistry Question
Question
The correct order of the following complexes in terms of their crystal filed stabilization energies is : (A) [Co(en)3]3+ < [Co(NH3)6]3+ < [Co(NH3)6]2+ < [Co(NH3)4]2+ (B) [Co(NH3)6]2+ < [Co(NH3)6]3+ < [Co(NH3)4]2+ < [Co(en)3]3+ (C) [Co(NH3)4]2+ < [Co(NH3)6]2+ < [Co(NH3)6]3+ < [Co(en)3]3+ (D) [Co(NH3)4]2+ < [Co(NH3)6]2+ < [Co(en)3]3+ < [Co(NH3)6]3+
Answer: C
💡 Solution & Explanation
Order of CFSE [Co(NH3)4]+2 < [Co(NH3)6]+2 < [Co(NH3)6]+3 < [Co(en)3]+3 Charge CFSE On increasing strength of ligand, CFSE
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