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- Which one would have the higher frequency C=O stretch and why?The absorption pattern in the UV/VIS region corresponds to (a) bond vibrations b) valance electron transitions =) molecular rotations E) nuclear spin 0000 a an IR spectrum4. IR stretching frequency of C=O in acetic acid is 1720 cm. But, The same in Benzoic acid appears at 1680 cm 1. Explain. 0 11 0 CH₂ / C HO OH acetic acid Benzoic acid
- 4. Is the C=O stretching frequency the same for acetone and deuterated acetone? Explain your answer. Identify C O overtone in acetone spectrum which corresponds to the transitionn from ground level n= 0, to the second excited levWhat stretching frequencies (in cm¹¹) are present in the structure below? 3300 none of these 3095 1685 OH all of thesewhat is the constitutional isomer for this spectrum? (C5h12O)