What is the IUPAC name for CH3CH2COOH? (2021)

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Question: What is the IUPAC name for CH3CH2COOH? (2021)

Options:

Correct Answer: Propanoic acid

Exam Year: 2021

Solution:

CH3CH2COOH is propanoic acid, which has a three-carbon chain with a carboxylic acid functional group.

What is the IUPAC name for CH3CH2COOH? (2021)

What is the IUPAC name for CH3CH2COOH? (2021)

Step 1: Identify the longest carbon chain in the molecule. CH3CH2COOH has three carbon atoms in a row.
Step 2: Count the number of carbon atoms in the chain. There are 3 carbon atoms.
Step 3: Determine the functional group. The 'COOH' part indicates that it is a carboxylic acid.
Step 4: Name the carbon chain based on the number of carbon atoms. A three-carbon chain is called 'propane'.
Step 5: Since it is a carboxylic acid, change 'propane' to 'propanoic acid'.
Step 6: Combine the information to conclude that CH3CH2COOH is named propanoic acid.

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