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

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?

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