Organic Chemistry
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The following is the structure of citric acid:
(i) Determine which is the most acidic proton in citric acid.
(ii) Which form of citric acid would exist in lemon juice? (Note: pH of lemon juice is 2.0.)
(i) The most acidic hydrogen is attached to the carboxylic acid (-COOH) at the center.
(ii)
(i) The most acidic hydrogen is attached to the carboxylic acid (-COOH) at the left of the molecule.
(i) The most acidic hydrogens are those attached to the carbon adjacent to the carboxylic group.
(i) The most acidic hydrogen are those attached to the alcohol group.