The structure of a compound is shown - HSC - SSCE Chemistry - Question 3 - 2021 - Paper 1
Question 3
The structure of a compound is shown.
What is the preferred IUPAC name of this compound?
A. N-methylpropanamide
B. N-methylpropanamine
C. N-propanamine
D. N-propylm... show full transcript
Worked Solution & Example Answer:The structure of a compound is shown - HSC - SSCE Chemistry - Question 3 - 2021 - Paper 1
Step 1
Identify the Functional Group
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Answer
The compound contains both an amide and a carbon chain. The presence of the carbonyl group (C=O) adjacent to the nitrogen indicates it is an amide.
Step 2
Determine the Parent Chain
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Answer
Examine the longest continuous carbon chain connected to the carbonyl group. In this case, the longest chain has three carbon atoms, indicating it is a propanamide.
Step 3
Consider the Substituents
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Answer
There is a methyl group (–CH₃) attached to the nitrogen atom, which modifies the amide structure, thus indicating it is a N-methylpropanamide.
Step 4
Conclusion
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Answer
The preferred IUPAC name of the compound is therefore A. N-methylpropanamide.
