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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Amongst the following, the most stable complex is:

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प्रश्न

Amongst the following, the most stable complex is:

विकल्प

  • [Fe(H2O)6]3+

  • [Fe(NH3)6]3+

  • [Fe(C2O4)3]3−

  • [FeCl6]3−

MCQ
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उत्तर

[Fe(C2O4)3]3−

Explanation:

[Fe(C2​O4​)3​]3− is the most stable complex because oxalate ion \[\ce{(C2O^{2-}_4)}\] is a bidentate ligand. Bidentate ligands form chelate rings with the metal ion, which increases the stability of the complex due to the chelate effect. The other ligands (H2O, NH3, Cl) are monodentate ligands and form comparatively less stable complexes.

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अध्याय 5: Coordinate Compounds - Exercises [पृष्ठ १४०]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
अध्याय 5 Coordinate Compounds
Exercises | Q 5.30 | पृष्ठ १४०
नूतन Chemistry [English] Class 12 ISC
अध्याय 5 Coordination Compounds
'NCERT TEXT-BOOK' Exercises | Q 9.31 | पृष्ठ ५६०

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