IR spectrum and identify the following functional groups by their IR absorbances on the IR C=O C=...

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IR spectrum and identify the following functional groups by their IR absorbances on the IR

C=O

C=C (aromatic) or C-O

:絲器器尋尋 2500 2000 Wavenumber cm-1 3500 3000 1500 1000 500

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Answer 1

Answer #1

C=O stretching frequency ---> 1655 cm-1

C=C (aromatic) stretching frequency--->1508 cm-1

C-O stretching frequency---> 1100 cm-1

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Answer 2

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