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electrolysis

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Questions and Answers

electrolysis definition

break down or decompose ionic compound in molten/aqueous state from using electricity

electrolyte?

chemical substance that can conduct electricity in molten/aqueous state due to free moving ions

function of electrode

to conduct electricity

2 types of electrode

<ul> <li>inert (chemically unreactive) carbon,graphite, platinum</li> <li>active (reactive) any metal except for platinum</li> </ul> Signup and view all the answers

for molten electrolyte, what type of electrode must be used?

inert Signup and view all the answers

why for molten electrolysis needs heat

to melt the electrolyte Signup and view all the answers

for diluted, pick which cathode n anode

anode: pick OH- cathode: pick lower in reactivity diluted has more water Signup and view all the answers

anode equation for diluted ?

4OH- --> 2H2O + O2 + 2e- Signup and view all the answers

what happen to the colour of the electrolyte in diluted

the colour intensity of the solution decreases because the concentration of copper (II) ions in the solution decreases Signup and view all the answers