Journal article Open Access

bis (2-Hydroxy-5-methyl acetophenone oximato) dioxo Molybdenum (VI)

B. D. Gupta; Wahid U. Malik

Spectrophotometric and conductometric methods have been employed to study the nature, composition and stability of Mo(VI)-2-hydroxy-5-methyl acetophenone oxime. The complex is bright-yellow in colour and stable over the pH range 2·0-5·0.

Vos Burgh and Cooper's method demonstrates the existence of only one complex having the maximum absorption at 345 mp,. The stoichiometric ratio of molybdenum and the ligand has been determined to be 1 : 2 in this complex. Its formation constant has been found to be 4·87 X 108 while Δ Fº be -12 Kcal. /mole at 30°. The results of chemical analysis of pure, dry sample of the isolated complex reveal its molecular formula (C9H10O2N)2MoO2 A structure has been assigned to the complex.


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