Which of the following compounds give an absorption band at 1720 cm^-1 and none at 2720 - 2830 or 3400 cm^-1?

Name: Which of the following compounds give an absorption band at 1720 cm -1 and none at 2720 - 2830 or 3400 cm -1 ?
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Question

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2-butanone is a ketone, which typically shows a strong absorption band around 1720 cm^-1 due to the C=O stretch. It does not have an aldehyde C-H stretch (2720-2830 cm^-1) or an O-H stretch (3400 cm^-1), which are present in aldehydes and alcohols, respectively.

Which of the Following Compounds Give an Absorption Band at