Studii privind sistemul de reacţie Pd2+ - 2,6 diaminotoluen
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SANDU, Ion Gabriel, GULYA, Aurelian, SANDU, Irina Crina Anca, LUCA, Constantin, SANDU, Gabriel. Studii privind sistemul de reacţie Pd2+ - 2,6 diaminotoluen. In: Revista de Chimie, 2005, vol. 56, pp. 805-809. ISSN 0034-7752.
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Revista de Chimie
Volumul 56 / 2005 / ISSN 0034-7752

Studii privind sistemul de reacţie Pd2+ - 2,6 diaminotoluen


Pag. 805-809

Sandu Ion Gabriel1, Gulya Aurelian2, Sandu Irina Crina Anca3, Luca Constantin4, Sandu Gabriel4
 
1 Alexandru Ioan Cuza University of Iaşi,
2 Moldova State University,
3 National Research Council of Italy,
4 Gheorghe Asachi Technical University of Iasi
 
 
Disponibil în IBN: 18 iunie 2024


Rezumat

This paper aims to present novel data of reaction system Pd2+ - 2,6 diaminotoluene, which was studied by pH-metric, chemical, thermal, IR and RMN methods, when is confirmed the presence of two addend molecules in the first coordination sphere, as monochlorhidrate (HL+Cl-), among two water molecules. It is therefore formed a nonelectrolytical lemon-yellow complex, little soluble in water and in most organic solvents, with the molecular formula [Pd(LHCl)2(H2O)2], conflrmed by thermal analysis, IR and NMR spectroscopy, having 1st reaction order and the activation energy of 186,5 kJ/mol, for the main thermal process in the temperature range 238,5-310°C.

Cuvinte-cheie
activation energy, Diaminotoluene, Monochlorhidrate, Nonelectrolytical complex, Pd, pKa, pKb, Reaction order

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<subject>activation energy</subject>
<subject>Diaminotoluene</subject>
<subject>Monochlorhidrate</subject>
<subject>Nonelectrolytical complex</subject>
<subject>Pd</subject>
<subject>pKa</subject>
<subject>pKb</subject>
<subject>Reaction order</subject>
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