Chemistry A-Level
Observable colour change as evidence of redox
What Observable colour change as evidence of redox means in Chemistry A-Level, as defined for OCR.
Definition of Observable colour change as evidence of redox
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Reference: OCR
With acidified potassium dichromate(VI) the orange solution stays orange on heating, showing no reduction to green Cr³⁺ ions.
Topics that use Observable colour change as evidence of redox
- Alcohols (OCR A-Level)
Related terms
- acid catalysis
- Acidified dichromate(VI) as oxidising agent
- Balancing redox half-equations
- Controlling oxidation products
- Counting carbon neighbours of the –OH-bearing carbon
- Distillation versus reflux
- Elimination reactions
- Intermolecular hydrogen bonding
Using Observable colour change as evidence of redox in the exam
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