¹³C NMR Is a Technique in Which the Total Number

question 21

Multiple Choice

¹³C NMR is a technique in which the total number of signals represents the number of unique carbon atoms in a molecule. Propose a structure that is consistent with the following data.
(a) The IR includes peaks at 1603 and 1495 cm^-1.
(b) The ¹³C NMR has a total of 7 signals.
(c) The compound has one acidic proton.

• A) I
• B) II
• C) III
• D) IV

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