Chemistry A-Level
Balancing redox half-equations
What Balancing redox half-equations means in Chemistry A-Level, as defined for OCR.
Definition of Balancing redox half-equations
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Reference: OCR
Write the half-equation Cr₂O₇²⁻ + 14H⁺ + 6e⁻ → 2Cr³⁺ + 7H₂O and balance the organic half-equation before combining them.
Topics that use Balancing redox half-equations
- Alcohols (OCR A-Level)
Related terms
- acid catalysis
- Acidified dichromate(VI) as oxidising agent
- Controlling oxidation products
- Counting carbon neighbours of the –OH-bearing carbon
- Distillation versus reflux
- Elimination reactions
- Intermolecular hydrogen bonding
- Observable colour change as evidence of redox
Using Balancing redox half-equations in the exam
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