Answer:
The correct answer is the option: B.C2H402
Explanation:
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Acetic acid is made up of two carbon atoms, two oxygen atoms and four hydrogen atoms.
It has the ending that indicates that it is an acid -COOH and it is also called ethanoic acid, so it has CH3- ahead of it.
We conclude that the formula for acetic acid is: CH₃COOH.
Of the options given, the correct answer is the option: B.C2H402
The chemical formula of acetic acid is [tex]C_2H_4O_2[/tex]
Acetic acid is an organic acid with a functional group known as the carboxylic group.
It is also known as ethanoic acid commonly referred to as vinegar.
The functional group of carboxylic acid is represented by -COOH.
Thus, ethanoic acid refers to methyl + carboxylic group
Ethanoic = [tex]CH_3[/tex] + [tex]COOH[/tex] = [tex]C_2H_4O_2[/tex] or [tex]CH_3COOH[/tex]
More on acetic acid can be found here: https://brainly.com/question/15202177
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