Which functional group is present in ethanol?
Answer and explanation
Correct answer: A. Alcohol group −OH
- Step 1: Ethanol has the molecular formula .
- Step 2: The functional group is the hydroxyl group characteristic of alcohols.
Answer
Alcohol group −OH.
Why not the others: The aldehyde group characterizes ethanal; the carboxylic acid group characterizes ethanoic acid; and the ketone group characterizes propanone.
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