ELECTROLYSIS RULES

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Biology

Biochemistry

Last updated 3:38 PM on 11/12/22
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1
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With aqueous solutions what is the rule at the cathode
hydrogen is produced if it less reactive
2
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With aqueous solutions what is the rule at the anode
NO halide ions, oxygen is produced. IF halide ions are present, halogen produced
3
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Why do these rules happen
water molecues break down producing hydrogen ions and hydroxide ions that are discharged
4
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What happens at the cathode
positively charged ions gain electrons, reductions
5
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What happens at the anode
negatively charged ions lose electrons, oxidation
6
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What is an example of cathode half equation
2H+ + 2e- → H2
7
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What is an example of anode half equation
4OH- – 4e- → O2 + 2H2O