The colour changes observed when testing for reducing agents using acidified potassium heptaoxodichromate (IV) solution...
CHEMISTRY
JAMB 2009
The colour changes observed when testing for reducing agents using acidified potassium heptaoxodichromate (IV) solution is
- A) yellow to purple
- B) orange to green
- C) green to orange
- D) purple to yellow
Correct Answer: B) orange to green
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