MCAT Question of the Day
    •

    Q:

    		 In the conversion of a ketone to a hemiketal, which of the following changes in the infrared spectrum would indicate completion of the reaction?
    		 

    A

    		 Loss of a strong, sharp peak at 1700 cm-1 and appearance of broad peak around 3200 cm-1

    B

    		 Gain of a strong, sharp peak at 3200 cm-1 and loss of multiple smaller peaks at 2600, 1700, and 1400 cm-1

    C

    		 Gain of a strong, sharp peak at 2200 cm-1 and loss of a strong, sharp peak at 1700 cm-1

    D

    		 A change in the signature of the fingerprint region only



    Aldehydes and Ketones | Molecular Structure |
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