HCl solution, and pour the contents into the organic waste. Please list all the

Question

HCl solution, and pour the contents into the organic waste. Please list all the safety issues (if any) in this scenario. (10 points) 5. Based on the melting point ranges in the scheme above, what can be implied e about the purity of sample A? (10 points) 6. List two common uses for Thin Layer Chromatography (TLC) 2 Points b) What are two common adsorbents used in column chromatography? How are they different? 2 Points 6c). Give two methods to visualize spots after they were developed on a TLC plate 2 Points 6d. Define Rf value and calculate Rf values for the reactant (A) and product (B) spots on the TLC plate shown. 4 points

Explanation / Answer

6 ) common uses of TLC we have uses are there the main uses are

6 b ) adsorbents used in the column chromatography

silical gel and alumina ( aluminium oxide ) these two are majorily used as an adsorbents

here the main difference is that silica gel is acting as an acidic adsorbent  where as alumina is acting as an basic adsorbent

6 c ) Visualization of colored compounds is simple the spots can be directly observed after development. Because most compounds are colorless however, a visualization method is needed.

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