Open Question
Identify the following molecules as an ester, a carboxylic acid, or an amide, and write both the condensed and line-structural formula for each.
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16. Carboxylic Acids and Their Derivatives
Naming Amides
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Give IUPAC name for the following amide.
A
ethylmethylbenzoicamide
B
N-ethyl-N-methylbenzamide
C
ethylmethylbenzamide
D
N-methyl-N-ethylbenzoic amide
Verified step by step guidance1
Identify the functional group present in the compound. The structure shows a carbonyl group (C=O) directly attached to a nitrogen atom (N), indicating an amide functional group.
Determine the parent chain. The carbonyl group is attached to a benzene ring, which makes the parent chain a benzoyl group. Therefore, the base name of the compound is 'benzamide'.
Identify the substituents attached to the nitrogen atom. In the given structure, there is an ethyl group (CH2CH3) and a methyl group (CH3) attached to the nitrogen.
Assign the correct locants and prefixes for the substituents. Since both substituents are on the nitrogen, use the prefix 'N-' to indicate their position. The ethyl group is named first due to alphabetical order, followed by the methyl group.
Combine the elements to form the IUPAC name. The complete name is 'N-ethyl-N-methylbenzamide', indicating the substituents and the parent amide structure.
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