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One of the following compounds is responsible for the IR spectrum shown. Choose the structure of the responsible compound. 25
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Answer #1

The IR-spectrum shows strong absorption around 1750 cm-1 and 3000 cm-1.

Now, we know that, streching of carboxylic acid -OH group shows a strong absorption around 2800-3000 cm-1 and the peak for carboxylic acid carbonyl group appears around 1700-1800 cm-1.

Therefore, the given IR-spectrum is for propanoic acid, i.e. CH3CH2COOH.

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Answer #2

H3C-CH2-CO2Et

answered by: Cool Kid 2
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