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An Unknown Compound X Has the Empirical Formula C3H6O and a Molecular

Question 20

Multiple Choice

An unknown compound X has the empirical formula C3H6O and a molecular ion in its mass spectrum at 116. Compound X shows no IR absorption at 3200-3600 cm-1 but shows a peak at 1700 cm-1. The 1H NMR spectral data of X is shown below. What is the structure of compound X? An unknown compound X has the empirical formula C<sub>3</sub>H<sub>6</sub>O and a molecular ion in its mass spectrum at 116. Compound X shows no IR absorption at 3200-3600 cm<sup>-1</sup> but shows a peak at 1700 cm<sup>-1</sup>. The <sup>1</sup>H NMR spectral data of X is shown below. What is the structure of compound X? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

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