1.CH3—C(=O)—OH+CH3OH18→H+ProductCH_3\text{—}C(=O)\text{—}OH + CH_3OH^{18} \xrightarrow{H^+} \text{Product}CH3—C(=O)—OH+CH3OH18H+ProductProduct can be:a.CH3—C(=O)—O—CH3CH_3\text{—}C(=O)\text{—}O\text{—}CH_3CH3—C(=O)—O—CH3 (methyl acetate, all natural oxygen)b.CH3—C(=18O)—O—CH3CH_3\text{—}C(=^{18}O)\text{—}O\text{—}CH_3CH3—C(=18O)—O—CH3 (18O^{18}O18O in the carbonyl group)c.CH3—C(=18O)—O18—CH3CH_3\text{—}C(=^{18}O)\text{—}O^{18}\text{—}CH_3CH3—C(=18O)—O18—CH3 (18O^{18}O18O in both carbonyl and alkoxy positions)d.CH3—C(=O)—O18—CH3CH_3\text{—}C(=O)\text{—}O^{18}\text{—}CH_3CH3—C(=O)—O18—CH3 (18O^{18}O18O only in the alkoxy group of the ester)Login to continueOnly logged in users canattempt or see the solution.
