Analysis

Medium

An organic compound has the molecular formula $C4H8O2\text{C}_4\text{H}_8\text{O}_2$ .

Its infrared (IR) spectrum shows a strong, sharp absorption band at 1740 cm^-1, but does not show any broad absorption band above 3000 cm^-1.

Its $1H^{1}\text{H}$ NMR spectrum is shown below:

1H NMR Spectrum

Which compound produced these spectra?

$CH3COOCH2CH3\text{CH}_3\text{COOCH}_2\text{CH}_3$

$CH3CH2COOCH3\text{CH}_3\text{CH}_2\text{COOCH}_3$

$CH3CH2CH2COOH\text{CH}_3\text{CH}_2\text{CH}_2\text{COOH}$

$HCOOCH2CH2CH3\text{HCOOCH}_2\text{CH}_2\text{CH}_3$

Analysis Questions