Kinetics and mechanism of the oxidation of some triphenylmethane dyes

Dyes (brilliant green, crystal violet, malachite green and methyl green dyes) oxidation by cyanide ion
 
 
LAP Lambert Academic Publishing
  • erschienen am 20. November 2019
 
  • Buch
  • |
  • Softcover
  • |
  • 156 Seiten
978-613-9-83901-8 (ISBN)
 
The Kinetics and Mechanisms of the Comparative Study of Some Triphenylmethane Dyes Reaction with Cyanide Ion in Acidic Media was carried out. The stoichiometry for each of the system was observed to be 1:2. All the reactions were carried out under pseudo first order reaction condition. The order of the reaction was found to be first order with respect to the concentrations of the reductants and oxidants with second order overall for all the systems. All reactions were insensitive to changes in acid concentrations. Increase in concentrations of ionic strength inhibited the reaction for [MG+]-[CN-] and [MG2+]-[CN-] system while it had no effect for [BG+]-[CN-] and [CV+]-[CN-] systems. Added cations were observed to inhibit the reactions of malachite green - CN-, crystal violet - CN- systems and methyl green-CN- system, while it showed no effect on the brilliant green-CN- system. Added anion showed no effect on the rate of reaction for all the systems, except for the crystal violet - CN- system where it inhibits the reaction rate. The rates of all the reactions were catalyzed by variation of dielectric constant for all the systems.
  • Englisch
  • Höhe: 220 mm
  • |
  • Breite: 150 mm
  • |
  • Dicke: 9 mm
  • 250 gr
978-613-9-83901-8 (9786139839018)
Sulaiman Babayo Ali, I was born in 18/09/1987 at Bauchi state, b.Tech industrial chemistry at Abubakar Tafawa Balewa University Bauchi state (2007-2013), m.Sc Inorganic Chemistry at University of Maiduguri Borno state Nigeria (2016-2019).

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