Chromium & Identification of Organic Compounds- Qualitiative Revision

HideShow resource information
  • Created by: Lily
  • Created on: 18-03-13 11:13

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

Comments

M

Hi, is this for the OCR qualitative? Is this all I need to revise? my teacher only said revise chromium ions so I want to double check :)

Similar Chemistry resources:

See all Chemistry resources »See all resources »