Which of the following is the correct IUPAC name for C6H5-CH2-CH3?

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Question: Which of the following is the correct IUPAC name for C6H5-CH2-CH3?

Options:

Correct Answer: Ethylbenzene

Solution:

The compound has a phenyl group attached to an ethyl group, making it Ethylbenzene.

Which of the following is the correct IUPAC name for C6H5-CH2-CH3?

Which of the following is the correct IUPAC name for C6H5-CH2-CH3?

Step 1: Identify the molecular formula C6H5-CH2-CH3. This indicates that the compound has a phenyl group (C6H5) and an ethyl group (CH2-CH3).
Step 2: Recognize that the phenyl group (C6H5) is a benzene ring with one hydrogen removed, allowing it to bond with another group.
Step 3: Note that the ethyl group (CH2-CH3) is a two-carbon chain.
Step 4: Combine the names of the two groups. The phenyl group is attached to the ethyl group, so the compound is named Ethylbenzene.
Step 5: Confirm that Ethylbenzene is the correct IUPAC name for the compound.

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