Chromium & Identification of Organic Compounds- Qualitiative Revision
- Created by: Lily
- Created on: 18-03-13 11:13
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CHROMIUM:
+2 is purple
+3 is green
+6 is orange
+6 is found in K2Cr2O7 (potassium dichromate). Dichromate ions are strong oxidising agents (Cr2O7^2-).
Detecting the Presence of a Carbonyl Group (Aldehyde of Ketone)
2,4-dinitrophenylhydrazine, mixed with methanol and sulphuric acid. (BRADY's REAGENT)
Orange precipitate…
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