What is the IUPAC name for the compound with the structure CH3-CH2-CH2-CH2-CHO?

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Question: What is the IUPAC name for the compound with the structure CH3-CH2-CH2-CH2-CHO?

Options:

Correct Answer: Pentanal

Solution:

The longest chain has five carbons and ends with an aldehyde, hence it is Pentanal.

What is the IUPAC name for the compound with the structure CH3-CH2-CH2-CH2-CHO?

What is the IUPAC name for the compound with the structure CH3-CH2-CH2-CH2-CHO?

Step 1: Identify the structure of the compound. The structure is CH3-CH2-CH2-CH2-CHO.
Step 2: Count the number of carbon atoms in the longest chain. There are 5 carbon atoms.
Step 3: Determine the functional group. The compound ends with -CHO, which indicates it is an aldehyde.
Step 4: Name the longest carbon chain. A chain with 5 carbon atoms is called 'pentane'.
Step 5: Since the compound is an aldehyde, change 'pentane' to 'pentanal' to reflect the functional group.

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