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(Solved): Step 3: Alkane C-H stretching absorptions are not very useful, as these are found in almost all comp ...



Step 3: Alkane C-H stretching absorptions are not very useful, as these are found in almost all compounds and overlap. However, an IR spectra of an alkene can determine not only the presence of a double bond, but the substitution pattern on the double bond. A. What is the approximate wavenumber expected for an alkene C=C stretch? 900cm^(-1) 1650cm^(-1) 3050cm^(-1) 3300cm^(-1) C. Alkene E a possibility. B. What is the approximate wavenumber expected for an alkene C-H stretch? 900cm^(-1) 1650cm^(-1) 3050cm^(-1) 3300cm^(-1)


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