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Assume the product of this experiment is ethyl benzoate. Which of the following

ID: 939861 • Letter: A

Question

Assume the product of this experiment is ethyl benzoate. Which of the following IR spectra is a correct representation of ethyl benzoate and why? Note that there may be more than one correct answer.

the C-H (aromatic) peak at ~3050 the C-H(aliphatic) peak at ~2950 cm-1 , C=O peak at ~1750 cm-1 Spectrum B is ethyl benzoate Spectrum A is ethyl benzoate the N-H (primary amine) peaks at ~3450 cm-1 , C-H (stretch) peak at ~3050 cm-1 and C=O peak at ~1700 cm-1 the C-H stretch at ~3300 cm-1, C=O peak at ~1500 cm-1 and C-H (aromatic) at ~1200 cm-1 the O-H peaks at ~3300 cm-1 , C-H peak at ~2900 cm-1 and C-H (aromatic) at ~1100 cm-1 the C-H peaks at ~2950 cm-1 , C=O peak at ~3350 cm-1 and C-H (aromatic) at ~1700 cm-1 Spectrum C is ethyl benzoate

Explanation / Answer

Spectrum A is ethyl benzoate

the C-H (aromatic) peak at ~3050 cm-1 , C=O peak at ~1750 cm-1

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