Which of the following is an ester?

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Multiple Choice

Which of the following is an ester?

Explanation:
Esters are molecules that have a carbonyl group attached to an alkoxy group, and they’re famous for giving fruits their fruity fragrances. Pineapple is associated with many volatile ester compounds—like ethyl butanoate and other esters—that create its distinctive aroma. So, in this context, pineapple is the item linked to ester chemistry because its characteristic scent comes from these ester compounds, making it the best match among the options. The other items don’t contain ester links: ethanol is an alcohol (has an –OH group), benzene is a simple aromatic hydrocarbon, and ethyl chloride is an alkyl halide (contains a C–Cl bond).

Esters are molecules that have a carbonyl group attached to an alkoxy group, and they’re famous for giving fruits their fruity fragrances. Pineapple is associated with many volatile ester compounds—like ethyl butanoate and other esters—that create its distinctive aroma. So, in this context, pineapple is the item linked to ester chemistry because its characteristic scent comes from these ester compounds, making it the best match among the options. The other items don’t contain ester links: ethanol is an alcohol (has an –OH group), benzene is a simple aromatic hydrocarbon, and ethyl chloride is an alkyl halide (contains a C–Cl bond).

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