题目
题目

MCD4400 - T3 - 2025 Prelab Quiz - Esterification - Benzocaine

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Question textWhen writing an aim, it should be in the format of the Goal (what do you want to achieve) and the Means (how you plan to achieve it). Read over Exercise 1 in your lab manual to assist you with completing the aims for this experiment. Record these aims in your laboratory notebook, so that you will be able to address them when you write the conclusion for your lab report. Aims: Synthesis: To synthesise Answer 1 Question 7[select: , benzocaine, ethanol, p-aminobenzoic acid, ethyl acetate, sulfuric acid, sodium carbonate] via the Answer 2 Question 7[input] of Answer 3 Question 7[select: , p-aminobenzoic, sulfuric, ethanoic, benzoic, carbonic] acid and Answer 4 Question 7[select: , sulfuric acid, p-aminobenzoic acid, sodium carbonate, benzocaine, ethyl acetate, ethanol]. Analysis: To assess the purity of the Answer 5 Question 7[select: , sulfuric acid, ethanol, sodium carbonate, p-aminobenzoic acid, benzocaine, ethyl acetate] using Answer 6 Question 7[select: , recrystalisation, column chromatography, gas chromatography, infrared spectroscopy, thin layer chromatography, UV-Vis spectrophotometry] and Answer 7 Question 7[select: , melting point, solid point, boiling point, crystalography, recrystalisation] analysis.

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First, let's restate what the blanks are aiming to describe in this "Aims" section. The synthesis line reads: 'Synthesis: To synthesise [blank] via the [blank] of [blank] acid and [blank].' The analysis section reads: 'Analysis: To assess the purity of the [blank] using [blank] and [blank] analysis.' Option-by-option reasoning: - For the synthesis sequence, the most chemically coherent interpretation is that the target compound is benzocaine. Benzocaine is the common name for ethyl 4-aminobenzoate, which is typically prepared by esterifying p-aminobenzoic acid (PABA) with ethanol in the presence of an acid catalyst (such as sulfuric acid). So the total intended fill would be: synthesize benzocaine via the esterification of p-aminobenzoic acid and ethanol. This makes sense because: • The product benzocaine directly fits the 'synthesize' target commonly taught in organic synthes......Login to view full explanation

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