(a) Explain why the SH stretching absorption in the IR spectrum of a thiol is less
Chapter 12, Problem 12.33(choose chapter or problem)
(a) Explain why the SH stretching absorption in the IR spectrum of a thiol is less intense and occurs at lower frequency (2550 cm1 ) than the OH stretching absorption of an alcohol. (b) Is the wavenumber difference between OH and SH absorptions caused primarily by the greater mass of sulfur or by the relative strengths of the two bonds? Explain how you know. (c) Two unlabeled bottles, A and B, contain liquids. Laboratory notes suggest that one compound is (HSCH2CH2)2O and the other is (HOCH2CH2)2S.
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