Abstract
Raman bands originating from solvated SCN- anions and from Na+SCN- ion-pairs in solutions of NaSCN in N, N-dimethylacetamide (DMA) have been detected. Integrated Raman band intensities have been measured and the distribution of the concentrations of free and bound ligand and hence the stability constant have been obtained. Ultrasonic relaxation spectra at t=25°C, in the frequency range 3 to 350 MHz, show a single Debye relaxation for NaSCN, NaNO3 and NaNO2 solutions. These kinetic data have been interpreted in terms of the Eigen theory by employing the appropriate information derived from the Raman spectral study.
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