Spectrophotometric Study of Pyrazoline and Phenylpyrazoline With Fe (III) Complex
Pravin B. Raghuwanshi, M.L. Narwade and A.G. Doshi
Department of Chemistry, Vidya Bharati Mahavidyalaya, Karanja (Lad), Dist Akola - 444 105 (India).
Spectrophotometry investigations on Fe(lll) complexes with substituted Pyrazolines and Phenyl pyrazolines have shown 1:1 and 1:2 complex formation at pH 3.1 and 4.8 respectively. The change in colour of solution from light yellow to dark brown , showed the commensement of complex formation. 1:1 and 1:2 complex formation is also confirmed by Job's variation method. Conditional stability constants of 1:1 and 1:2 complex are determined by spectrophotometry technique.
KEYWORDS:Spectrophotometric; Pyrazoline; Phenylpyrazoline
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