Reactivity Series and Extraction Methods — OCR GCSE Combined Science B J260
OCR GCSE Combined Science B · J260
Reactivity Series and Extraction Methods
What you need to know
Deduce an empirical order of reactivity for metals based on experimental reactions with water, dilute acids, and displacement reactions.
Explain how metal reactivity relates to the tendency to form positive ions, specifically analyzing potassium, sodium, calcium, aluminium, magnesium, zinc, iron, lead, copper, and silver.
Write fully balanced chemical equations and ionic equations using appropriate element names, symbols, and the principle of conservation of mass.
Explain the industrial principles of metal extraction using carbon reduction, such as in zinc extraction, based on carbon's hierarchical position in the reactivity series.
Explain the chemical necessity of using electrolysis to extract specific highly reactive metals from their natural ores.
Evaluate the viability and mechanisms of alternative biological methods for metal extraction, such as bacterial extraction and phytoextraction.