Multiple Choice
Which of the following is the correct chemical formula for hydrofluoric acid?
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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
C2H5OH
B
HNO3
C
H2SO4
D
CH3COOH
Verified step by step guidance1
Step 1: Understand that acetic acid is a common organic acid, also known as ethanoic acid, and its chemical formula represents the arrangement of atoms in the molecule.
Step 2: Recognize that the formula C2H5OH corresponds to ethanol, which is an alcohol, not an acid.
Step 3: Identify that HNO3 is nitric acid, a strong mineral acid, and H2SO4 is sulfuric acid, another strong mineral acid, both different from acetic acid.
Step 4: Recall that acetic acid contains a carboxyl group (-COOH) attached to a methyl group (CH3), which is represented as CH3COOH.
Step 5: Conclude that the correct chemical formula for acetic acid is CH3COOH, distinguishing it from the other given formulas.
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