What Two Strong Absorptions Are Characteristic of the IR Spectrum

question 53

Multiple Choice

What two strong absorptions are characteristic of the IR spectrum of carboxylic acids?

• A)A C=O absorption at 1710 cm^-1 and a C-H absorption at 3000 cm^-1.
• B)A C=O absorption at 1710 cm^-1 and an O-H absorption at 2500-3500 cm^-1.
• C)A C=O absorption at 1600 cm^-1 and an O-H absorption at 2500-3000 cm^-1.
• D)A C-O absorption at 1500 cm^-1 and an O-H absorption at 2500-3500 cm^-1.

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