Carboxylic AcidsAcidic Character and Resonance Stabilization26Choose the best answerCarboxylic acids are more acidic than alcohols mainly because:AThey have greater molecular mass.BTheir conjugate bases are stabilized by resonance.CTheir O–H bonds are always stronger.DThey have higher boiling points. Like 0 Discuss 0Share
Carboxylic AcidsPreparation by Oxidation of Primary Alcohols27Choose the best answerWhich reagent converts a primary alcohol directly into a carboxylic acid under strong oxidation conditions?ALiAlH₄BPCCCAcidified K₂Cr₂O₇DNaBH₄ Like 0 Discuss 0Share
Carboxylic AcidsPreparation by Hydrolysis of Carboxylic Acid Derivatives28Choose the best answerHydrolysis of which compound can produce a carboxylic acid?AAcyl chlorideBEsterCNitrileDAll of these Like 0 Discuss 0Share
Carboxylic AcidsCarboxylic Acids and Carboxylate Ions29Choose the best answerWhy are carboxylic acids more susceptible to nucleophilic attack than carboxylate ions?ACarboxylate ions contain a weaker C=O bond.BThe negative charge in a carboxylate ion is delocalized, reducing the electrophilicity of the carbonyl carbon.CCarboxylic acids contain two oxygen atoms.DCarboxylate ions are stronger acids. Like 0 Discuss 0Share
Carboxylic AcidsSpecial Properties of Formic Acid30Choose the best answerFormic acid differs from acetic acid in which reaction?AReaction with sodium metalBEsterification with alcoholCReduction of Fehling's solutionDTurning blue litmus red Like 0 Discuss 0Share