Which of the following is the correct IUPAC name for the compound with the formu

Practice Questions

Q1
Which of the following is the correct IUPAC name for the compound with the formula C6H5-CH2-CHO?
  1. Benzaldehyde
  2. Benzylaldehyde
  3. Phenylacetaldehyde
  4. Phenylaldehyde

Questions & Step-by-Step Solutions

Which of the following is the correct IUPAC name for the compound with the formula C6H5-CH2-CHO?
Correct Answer: Benzylaldehyde
  • Step 1: Identify the structure of the compound C6H5-CH2-CHO. The C6H5 part indicates a benzene ring.
  • Step 2: Recognize that CH2-CHO indicates a -CH2- group attached to an aldehyde (-CHO) functional group.
  • Step 3: Combine the two parts: the benzene ring (C6H5) is attached to a -CH2- group, which is then attached to an aldehyde.
  • Step 4: Name the compound based on its structure. The benzene ring attached to a -CH2-CHO group is called Benzylaldehyde.
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