Multiple Choice
Which type of acids are considered water-soluble and must be neutralized before disposal?
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3. Chemical Reactions
Naming Acids
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Which of the following is the correct chemical formula for acetic acid?
A
C2OH
B
CH3COOH
C
C2O2H
D
C2H4O2
Verified step by step guidance1
Step 1: Understand that acetic acid is a common carboxylic acid with a specific molecular structure consisting of a methyl group (CH3) attached to a carboxyl group (COOH).
Step 2: Recall that the carboxyl group (COOH) contains one carbon atom, two oxygen atoms, and one hydrogen atom, and it is attached to the methyl group (CH3), which contains two carbon atoms and three hydrogen atoms in total.
Step 3: Combine the atoms from the methyl group and the carboxyl group to write the full molecular formula. This results in a total of 2 carbon atoms, 4 hydrogen atoms, and 2 oxygen atoms.
Step 4: Write the chemical formula by grouping the atoms logically to reflect the structure: CH3COOH, which clearly shows the methyl group and the carboxyl group.
Step 5: Compare the given options to the correct formula CH3COOH, noting that other options either have incorrect atom counts or do not represent the structure of acetic acid properly.
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