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http://dspace.bits-pilani.ac.in:8080/jspui/handle/123456789/20192| Title: | Spectrochemistry of Solutions: Part 5.1—Raman Spectroscopic Study of the Coordination of Silver(i) Ions in Liquid Ammonia by Thiocyanate lons |
| Authors: | Gans, Peter Gill, J. Bernard Griffin, Mervyn |
| Keywords: | Journal of the Chemical Society : Faraday Transaction - I Chemistry Spectrochemistry Liquid Ammonia |
| Issue Date: | 1978 |
| Publisher: | Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1978, 74 (02) |
| Abstract: | A detailed study of the Raman spectra of mixtures of AgNO3 and KSCN in liquid ammonia solution indicates the formation of a weak S-bonded 1: 1 complex between Ag ■ and SCN-. Formation constants (concentration quotients) arc 3.1±0.5 and 1.3 ±0.4 kg mob1 at 293 and 233 K respectively. The formation of AgSCN is entropy favoured (±5 ~ 37 J mol-1 K-1) but enthalpy hindered (A 7/ ~ 8.2 kJ mol-1); the equilibrium [Ag(NH3)4]++SCN- [Ag(NH3)3SCN] + NH3 is proposed on the basis of these results. The possible existence of species such as [Ag2SCN]+ and [Ag(SCN)2]~ is suggested by some minor spectral features. |
| URI: | http://dspace.bits-pilani.ac.in:8080/jspui/handle/123456789/20192 |
| Appears in Collections: | Journal Articles (before-1995) |
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|---|---|---|---|---|
| 0432-0439.pdf Restricted Access | 691.55 kB | Adobe PDF | View/Open Request a copy |
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