AP EAMCET202419 May 2024Evening ShiftChemistryCoordination CompoundsActual
The spin only magnetic moments of the complexes [ Mn ( CN )₆ ]³⁻ and [ Co ( C ₂ O ₄ )₃ ]³⁻ are respectively
Options
- A2.84 BM, 0 BM
- B0 BM, 2.84 BM
- C0 BM, 3.87 BM
- D5.92 BM , 2.84 BM
Correct answer
A. 2.84 BM, 0 BM
Step-by-step solution
In [ Mn ( CN )₆ ]³⁻ , oxidation state of Mn is +3 Mn ³⁺: d ^4 Unpaired electron =2 aligned & _ spin only = n ( n +2) BM & = 2(2+2) BM & =2.84 BM aligned In [ Co ( C ₂ O ₄ )₃ ]³⁻ , oxidation state of co is +3 Co ³⁺: d ^6 aligned & n =0 & M _ spin only =0 BM aligned