Chemistry A-Level
reduction by zinc
What reduction by zinc means in Chemistry A-Level, as defined for AQA.
Definition of reduction by zinc
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Reference: AQA
Zinc supplies the electrons through Zn → Zn²⁺ + 2e⁻, so one mole of zinc reduces two moles of vanadium at each step.
Topics that use reduction by zinc
- Variable oxidation states (A-level only) (AQA A-Level)
Related terms
- 4s and 3d energies
- combining half-equations
- deducing oxidation states
- colour sequence
- half-equations in acid
- variable oxidation states
Using reduction by zinc in the exam
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