Textbook Question
Draw the condensed structural formula for each of the following:
b. 2,3-dichlorobutanal
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15. Aldehydes and Ketones
Naming Aldehydes
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Provide common name for given molecule.
A
3-ethylbenzylaldehyde
B
2-ethylbenzylaldehyde
C
3-ethylbenzaldehyde
D
2-ethylbenzaldehyde
Verified step by step guidance1
Identify the functional group present in the molecule. The image shows a benzene ring with an aldehyde group (CHO) attached, indicating it is a benzaldehyde derivative.
Locate the position of the ethyl group on the benzene ring. The ethyl group is attached to the second carbon of the benzene ring, counting from the carbon attached to the aldehyde group.
Understand the IUPAC naming convention for benzaldehyde derivatives. The position of substituents on the benzene ring is indicated by numbers, starting from the carbon attached to the aldehyde group.
Combine the position of the ethyl group with the base name 'benzaldehyde'. Since the ethyl group is on the second carbon, the name becomes '2-ethylbenzaldehyde'.
Verify the name by comparing it with the options provided. The correct name according to the structure is '2-ethylbenzaldehyde'.
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