What are the colours of Chromium in solution?

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SUMMARY

The discussion focuses on the colors of chromium in solution across various oxidation states, specifically highlighting the chromic acid test commonly referenced in organic chemistry. Chromium exhibits distinct colors depending on its oxidation state, with Cr(III) typically appearing green and Cr(VI) presenting a yellow-orange hue. The chromic acid test is a critical method for identifying alcohols and aldehydes in organic chemistry, utilizing these color changes as indicators.

PREREQUISITES
  • Understanding of oxidation states in transition metals
  • Familiarity with chromic acid and its applications in organic chemistry
  • Basic knowledge of colorimetric analysis
  • Experience with laboratory techniques for solution preparation
NEXT STEPS
  • Research the specific colors associated with chromium oxidation states, including Cr(II), Cr(III), and Cr(VI)
  • Study the chromic acid test and its role in organic synthesis
  • Explore colorimetric methods for identifying metal ions in solution
  • Investigate the environmental impact of chromium compounds and their regulations
USEFUL FOR

Chemistry students, organic chemists, and laboratory technicians interested in transition metal chemistry and colorimetric analysis.

Wendy Kirlia
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What are the colours of chromium in solution at different oxidation states? I couldn't find much from the net :(
 
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Have you come across the chromic acid test in O-chem?
 

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