Transport Behavior of Copper(I) Nitrate Complexes in Pure Dimethylsulfoxide, Pyridine, Nitromethane and their Binaries Probed by Conductometer Parameters at 298 K

The transport behavior of copper(I) nitrate electrolytes has been evaluated in the concentration range (4.0–100) × 10–4 mol·dm−3 in dimethylsulfoxide (DMSO), pyridine (Py) and nitromethane (NM) and their binary solvent mixtures containing 0, 0.20, 0.40, 0.60, 0.80, and 1.00 mol fraction of Py and NM at 298 K by conductance measurements. Parameters like limiting molar conductance (Ʌ0), association distance (R), Stokes radii (ri), and Walden product have been calculated using the molar conductance data. It is evident from the Stokes radii values that the ion solvation increases in the order Py > DMSO > NM indicating stronger solvation in the case of Py than for DMSO and than for NM. The above trend was further supported by Walden product values indicating more extensive solvation in Py.