The 13C NMR spectrum of an organic compound is shown below - VCE - SSCE Chemistry - Question 28 - 2022 - Paper 1
Question 28
The 13C NMR spectrum of an organic compound is shown below.
The organic compound could be:
A.
B.
C.
D.
Worked Solution & Example Answer:The 13C NMR spectrum of an organic compound is shown below - VCE - SSCE Chemistry - Question 28 - 2022 - Paper 1
Step 1
Identify the chemical environment from the NMR spectrum
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Answer
The NMR spectrum displays characteristic peaks that correspond to different carbon environments. Each distinct signal represents a different type of carbon atom within the molecule. Analyze the number of signals and their positions on the chemical shift scale.
Step 2
Compare with potential structures
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Answer
Next, evaluate given options A, B, C, and D in terms of the number of distinct carbon environments they possess. For instance, look for differences in functional groups or branching that may influence the NMR peaks.
Step 3
Determine the correct answer
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Answer
After comparing the number of signals in the spectrum with the number of distinct carbon environments in each option, option C is consistent with the obtained peaks, indicating that the organic compound is likely represented by structure C.
