chem 233 second exam review spring 2011

chem 233 second exam review spring 2011 - CHEM 233 Spring...

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1 CHEM 233 Spring 2011 Second Exam — Study Guide [Second exam is cumulative, with emphasis on material since the first exam] 1 Basic lab safety 2 Melting points Know the correlation between melting point and purity Know the origin of melting point depression Know the applications of melting points Be able to interpret and evaluate binary eutectic phase diagrams and how these relate to melting points and melting point ranges 3 Recrystallization Know the characteristics of a good recrystallization solvent for a given compound Be able to interpret and evaluate temperature/solubility diagrams or tables Know the difference between soluble and insoluble impurities and strategies for their removal Perform percent recovery calculations Perform calculations of optimum volume of solvent for a recrystallization given solubility data for a set of compounds 4 Thin Layer Chromatography (TLC) Know the general principles of chromatography: i. Partitioning ii. Stationary, mobile phases iii. Functional group polarity iv. Analyte/adsorbent interactions v. How to run a TLC Be able to rank relative Rf values for a series of compounds Be able to rank relative eluting power of solvents
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This note was uploaded on 04/27/2011 for the course CHEM 233 taught by Professor Staff during the Spring '08 term at University of Illinois, Urbana Champaign.

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chem 233 second exam review spring 2011 - CHEM 233 Spring...

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