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Determine the structure of a compound by using IR and 1H NMR of a spectrum that...

Determine the structure of a compound by using IR and 1H NMR of a spectrum that has the molecular formula: C4H7ClO2?. In addition, the IR showed extremely strong bands at both 3300cm-1 and 1720cm-1. Please explain, thanks

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Answer #1

IR:

3300 cm-1 : carboxylic acid -OH stretch

1720 cm-1: carboxylic acid C=O stretch

NMR:

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