Arrange the following Cobalt complexes in the order of increasing Crystal Field Stabilization Energy (CFSE) value. Complexes : D 6 C 6 B 6 A 6 ] ) en ( Co [ and ] ) NH ( Co [, ] ) O H ( Co [, ] CoF [

Question

Arrange the following Cobalt complexes in the order of increasing Crystal Field Stabilization Energy (CFSE) value. Complexes : D 6 C 6 B 6 A 6 ] ) en ( Co [ and ] ) NH ( Co [, ] ) O H ( Co [, ] CoF [ Choose the correct option: fuEu dksckYV ladqyksa dks fØLVy {ks=k foikVu ÅtkZ (CFSE) ekuksa ds c<+rs Øe esa O;ofLFkr dhft,% ladqy : D 6 C 6 B 6 A 6 ] ) en ( Co [ ] ) NH ( Co [, ] ) O H ( Co [, ] CoF [ rFkk lgh fodYi pqfu,%

(A) B < C < D < A
(B) A < B < C < D
(C) C < D < B < A
(D) B < A < C < D

Prashant Kotian · Accepted Answer

Correct answer: D. CFSE  strength of ligand en > NH3 > H2O > F– CFSE  oxidation number of central metal.  Order of CFSE   6 2 ] ) O H ( Co [ <   6 ] F Co [ <   6 3 ] ) NH ( Co [ <   6 ] ) en ( Co [

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