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In organic chemistry lab we just completled a \"Lidocaine Synthesis\". I have some questions to clarify...

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Chemistry

In organic chemistry lab we just completled a \"LidocaineSynthesis\". I have some questions to clarify before we take the inclass exam.

1. Based on apperence and melting point; how can we validate ifthe crystals are pure lidocaine?

2. When using the seperatory funnel in extraction, we washed theorganic layer with water and would shake then drain the aqueouslayer out. After a couple of washes with water, we then use HCL toextract and collect this aqueous layer seperatley. Following theextraction with HCL we then again washed the organic solution withwater. Any of the washes with water were collected then combined atthe end of using seperatory apparatus. Why would we wash the oganiclayer with water again after using HCL? Does it yeild moreproduct?

3. What compund were we dissolving in the aquoues extract?

Answer & Explanation Solved by verified expert
4.4 Ratings (716 Votes)
1 A pure compound if its white you can actually see the purity by seeing the color If the original compound is white then you should see it whiter Now basing on melting point you need to see if the compound has one melting point reported    See Answer
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