true or false. Considering the open-chain structures of carbohydrates, the carbon in the carbonyl group is also called the hemiacetal or hemiketal carbon.  TRUE OR FALSE. In Tollen's test, only ketones react with the Tollen's reagent (mixture of ammoniacal silver nitrate) to give a positive result (formation of the silver mirror and the corresponding carboxylate ions) true or false. Phenols are more acidic than alcohols due to the resonance stabilization of the phenoxide ion upon releasing the proton.

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A: Draw the expanded structural formula for a carboxylic acid  C5H10O2

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A:

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A:

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