KVV E-Modules

During the reaction, what is the intermediate product formed before salicylic acid?

A: Sodium salicylate B: Salicylaldehyde C: Benzoic acid D: Phenol

What is the starting material in the synthesis of salicylic acid in this experiment?

A: Salicylic acid B: Methyl salicylate C: Acetylsalicylic acid D: Benzoic acid

Which reagent is used to hydrolyzed methyl salicylate to salicylic acid?

A: Hydrochloric acid B: Sodium hydroxide C: Sulfuric acid D: Ethanol

What is the role of sodium hydroxide in the reaction?

A: Catalyst B: Reducing agent C: Hydrolyzing agent D: Oxidizing agent

Which functional group is hydrolyzed in methyl salicylate during the synthesis?

A: Aldehyde group B: Carboxyl group C: Ester group D: Ketone group

What is the starting ester used in the synthesis of salicylic acid?

A: Ethyl salicylate B: Acetylsalicylic acid C: Methyl salicylate D: Benzyl benzoate

Which reagent is used for the alkaline hydrolysis in the synthesis?

A: HCl B: NaOH C: KCl D: H₂SO₄

What is the role of reflux in the synthesis procedure?

A: Separate product from solvent B: Allow escape of vapors C: Maintain constant heating while condensing vapors back D: Filter impurities

What is the molecular weight of methyl salicylate?

A: 138 g/mol B: 152 g/mol C: 160 g/mol D: 122 g/mol

What is the purpose of adding HCl after refluxing?

A: To neutralize the base B: To form sodium salt C: To precipitate salicylic acid D: To remove water