The functional group in ethanoic acid is ___________.

alcohol

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aldehyde

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ketone

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carboxylic

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Solution

The correct option is A alcohol
Ethanoic acid, also called acetic acid, is a chemical with a sharp, acrid smell. You may recognize the smell as being similar to vinegar. Considered a weak synthetic acid, acetic or ethanoic acid is still a powerful chemical.
Ethanoic acid has many uses in industrial, medical and household settings. Ethanoic acid is widely used in many industries.
Commercially it is used in the manufacturing of esters, vinegar, and many polymeric materials. Ethanoic acid has a formula of CH3COOH. So, we can see that the functional group in ethanoic acid is Carboxilic acid.
So, the correct option is option D.

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