Carboxylic AcidsPreparation of Acid Anhydrides41Choose the best answerWhich reagent can dehydrate two molecules of a carboxylic acid to form an acid anhydride?APCl₅BP₂O₅CNaBH₄DBr₂/H₂O Like 0 Discuss 0Share
Carboxylic AcidsAcidic Character of Carboxylic Acids42Choose the best answerWhich statement regarding carboxylic acid acidity is correct?AThe +I effect increases acidity.BElectron-withdrawing groups stabilize the carboxylate ion.CAlkyl groups increase acidity by withdrawing electrons.DResonance destabilizes the conjugate base. Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Carboxylic Acids#Esterification43Choose the best answerFischer ESTERIFICATION is which type of reaction:ACondensationBSubstitutionCEliminationDDehydrogenation Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Carboxylic Acids#Esterification44Choose the best answerWhen carboxylic acid are heated with alcohol in the presence of sulphuric acid one of the following is formed:AAmidesBAcyl chlorideCEstersDAcid Anhydride Like 2 Discuss 0Share
Carboxylic AcidsAcidic Character of Carboxylic Acids45Choose the best answerWhich of the following acids is the weakest?AHCOOHBCH₃COOHCCH₃CH₂COOHDCCl₃COOH Like 0 Discuss 0Share