What is the IUPAC name for CH3-CH2-CH2-COOH? (2020)

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Question: What is the IUPAC name for CH3-CH2-CH2-COOH? (2020)

Options:

Correct Answer: Butanoic acid

Exam Year: 2020

Solution:

The IUPAC name for CH3-CH2-CH2-COOH is Butanoic acid, as it has four carbon atoms.

What is the IUPAC name for CH3-CH2-CH2-COOH? (2020)

What is the IUPAC name for CH3-CH2-CH2-COOH? (2020)

Step 1: Identify the structure of the molecule. CH3-CH2-CH2-COOH has a chain of carbon atoms.
Step 2: Count the number of carbon atoms in the longest chain. There are 4 carbon atoms.
Step 3: Determine the functional group. The -COOH group indicates that it is a carboxylic acid.
Step 4: Use the number of carbon atoms to find the base name. A 4-carbon chain is called 'butane'.
Step 5: Add the suffix for the carboxylic acid. The suffix for carboxylic acids is '-oic acid'.
Step 6: Combine the base name and the suffix. 'Butane' + 'oic acid' = 'Butanoic acid'.

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