Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Interpreting Infra-red Spectra
Document related concepts
Transcript
Interpreting Infra-red Spectra What to look for…. O-H in alcohols: Strong, broad absorbance at 3200-3600 O-H in carboxylic acids: Medium, very broad at 2500-3500 C=O in aldehydes, ketones, acids & esters: Strong, sharp at 1680-1750 Ethanol Ethylethanoate Ethanoic Acid a b a is the spectra for butanone b is the spectra for butan-1-ol Spectra a • There is sharp peak at 1750 • This peak denotes a C=O bond Spectra b • There is a broad peak at 3350 • This peak denotes a O-H bond
