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more acidic than phenol because of the greater stability of","choices":[{"text":"Carboxylic acid","value":"A"},{"text":"Phenoxide ion","value":"B"},{"text":"proton","value":"C"},{"text":"Carboxylate ion","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":253627,"question":"The formation of acetic anhydride from acetic acid follows the mechanism","choices":[{"text":"SN","value":"A"},{"text":"AN","value":"B"},{"text":"SE","value":"C"},{"text":"AE","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":253626,"question":"In esterification, the OH of carboxylic acid is replaced by","choices":[{"text":"OR+","value":"A"},{"text":"R+","value":"B"},{"text":"OR","value":"C"},{"text":"R","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":253625,"question":"solubility of carboxylic acids decreases in water with increase in molar mass because","choices":[{"text":"Bigger molecules are more polar","value":"A"},{"text":"bigger molecules have bigger non-polar groups","value":"B"},{"text":"bigger 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