Which compound matches the IR spectrum best? Which compound matches the IR spectrum best?
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Question “Which compound matches the IR spectrum best? Which compound matches the IR spectrum best?”
Answer
Answer 1
Answer: The peaks of the IR Spectra can be found as follows:
a) 3020cm-1: sp2 C-H stretching
for benzene
b) 2950cm-1: sp3 C-H stretching
for CH2 group (alkane)
c)1685cm-1: C=O stretching for carbonyl
group
Only B and F are eligible from the list of structures. For C-H, which is approximately 2700-2600, B aldehyde is not available.
Structure F is therefore suitable for the IR spectra.
Answer 2
The correct answer is B
Conclusion
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