Explain acetylsalicylic acid has a carboxylic acid group

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Doing a TLC experiment with a non-polar mobile phase, and a polar stationary phase (silica gel), I was wondering why Salicylamide has a higher RF value than Acetylsalicylic acid considering Salicylamide has a very polar Amide group whereas Acetylsalicylic acid has a carboxylic acid group which are less polar than amides.

Reference no: EM13553699

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