Paracetamol is produced by the reaction between 4-aminophenol and acetic anhydri
ID: 1062926 • Letter: P
Question
Paracetamol is produced by the reaction between 4-aminophenol and acetic anhydride at room temperature. What class of compounds does paracetamol belong to? Alcohol Amine Anhydride Amide Ester Aspirin is produced by the reaction between 2-hydroxybenzoic acid and acetic (ethanoic) anhydride with an acidic catalyst under heat. What class of compounds does aspirin belong to? Phenol Carboxylic acid Anhydride Amide Amine Which of the following combination of reagents will produce a polyamide upon heating at the 1:1 molar ratio? Hexanedioic acid and dimethylamine Hexanoic cid 1, 6-diaminohexane Hexanedioic acid and 1, 4-diaminobutane Hexanedioic acid and 1-aminohexane Hexanedioic acid 1, 2-ethanediol The resonance stabilization of which functional group is shown on this scheme? Carboxy-group Carboxylate (conjugate base of a carboxy-group) Ester Alcohol Enol What is the chemical consequence of the concept, presented in question 8? pKa of the group E is lower than pKa of all other group pKa of the group E is higher than pKa of all other groups pKa of the group D is lowe than pKa of all other groups pKa of the group D is higher than pKa of all other groups pKa of the group A is lower than pKa of all other groups How did the concept from question 8 help you answer question 9? It helped me evaluate stability of the conjugate base It helped me evaluate stability of the conjugate acid It helped me evaluate reaction rate of deprotonation It helped me identify the rate-limiting step of protonation It helped me identify the rate-limiting step of deprotonation Which of the following Which of the following compounds will not form a carboxylic acid upon acidic hydrolysis? Ethyl acetate Diethylacetamide Diethylmethylamine Acetic anhydrideExplanation / Answer
5) d. Amide
6) b. Carboxylic acid
7) c. Hexanedioic acid and 1,4-diaminobutane
8) a. carboxy group (the shown resonance os for carboxylate anion, but its a functional group)
9) a
10) a
11) c
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