All Redox chemistry articles – Page 4
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ResourceRedox titration using wine
Consider these questions and watch the video for ideas on how to use a redox titration to develop your students’ understanding of half-equations. Improving their theoretical and practical knowledge of a redox titration.
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ResourceAnecdotes: Copper
The use of copper hull plating on wooden ships and the deterioration of the iron fixing bolts due to bimetallic corrosion in sea water.
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DemonstrationTurning copper coins into ‘silver’ and ‘gold’
Perform what looks like alchemy with ordinary copper coins in this teacher demonstration. Includes kit list and safety instructions.
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Class experimentThe oxidation states of vanadium
Introduce your students to the idea that different oxidation states of transition metal ions often have different colours, and that electrode potentials can be used to predict the course of the redox reactions. Includes kit list and safety instructions.
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Class experimentElectrolysis of potassium iodide solution
Find out how the electrolysis of a potassium iodide solution works with this practical. Includes kit list, and safety instructions.
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Exhibition chemistryContaining the dichromate volcano
An updated and safer version of this classic, spectacular chemistry demonstration
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Exhibition chemistryEasier equilibrium
How bailing buckets can support students’ grasp of Le Chatelier’s principle
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FeatureRecharging the future
As lithium-ion batteries are pushed to their limits, what technology could replace them?
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Exhibition chemistryCreating copper
Declan Fleming presents a beautiful demonstration with lots of teaching potential
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ResourceInvestigating the reaction between manganate(VII) and ethanedioate ions
Use a continuous monitoring method to investigate the redox reaction between potassium manganate(VII) and ethanedioate ions.
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ResourceThe best catalyst to decompose hydrogen peroxide
Develop learner’s ideas of catalysis with this open-ended problem using hydrogen peroxide.
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ResourceHelping an industrial chemist
Devise a method for making a copper catalyst dispersed on an aluminium oxide support.
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DemonstrationTurning ‘red wine’ into ‘water’
Use acidified potassium permanganate – or ‘red wine’ – to make ‘water’, ‘milk’ and ‘lemonade’ in this engaging demonstration. Includes kit list and safety instructions.
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DemonstrationThe silver mirror test with Tollens’ reagent
Try this practical to explore the mirror-making reaction between silver nitrate (Tollens’ reagent) and glucose. Includes kit list, video and safety instructions.
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DemonstrationHalogen reactions with iron wool
Illustrate an exothermic redox reaction by heating iron wool with chlorine, bromine and iodine with this demonstration. Includes kit list and safety instructions.
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Class experimentMicroscale extraction of copper
Try this practical to reduce copper(II) oxide to copper using hydrogen, revealing their positions in the reactivity series. Includes kit list and safety instructions.
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Class experimentInvestigating the solubility of lead halides
Encourage students to make and test predictions about the pattern of solubility among lead halides in this practical. Includes kit list and safety instructions.