How many peaks does this compound have in its $^{13}C$ spectrum?
A 5
B 6
C 7
D 8 - AQA - A-Level Chemistry - Question 29 - 2017 - Paper 3
Question 29
How many peaks does this compound have in its $^{13}C$ spectrum?
A 5
B 6
C 7
D 8
Worked Solution & Example Answer:How many peaks does this compound have in its $^{13}C$ spectrum?
A 5
B 6
C 7
D 8 - AQA - A-Level Chemistry - Question 29 - 2017 - Paper 3
Step 1
Analyze the Structure
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Answer
To determine the number of peaks in the 13C NMR spectrum, we need to analyze the given structure of the compound. Each unique carbon environment in the compound will result in a distinct peak in the spectrum.
Step 2
Identify Unique Carbon Environments
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Answer
In the provided structure, we count the distinct carbon atoms and consider their connectivity and surroundings. The presence of similar surroundings will nullify distinctions in peak counts, while unique environments will contribute to the peak count.
Step 3
Count the Peaks
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Answer
After careful analysis, we find that the compound yields 8 unique carbon environments, which corresponds to 8 peaks in the 13C NMR spectrum.
Step 4
Select the Correct Answer
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Answer
Based on our analysis, the correct answer is D: 8.
