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GCSE TRIPLE HIGHER CHEMISTRY ELECTROLYSIS QUESTIONS AND ANSWERS

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Institution GCSE TRIPLE HIGHER CHEMISTRY ELECTROLYSIS
Course GCSE TRIPLE HIGHER CHEMISTRY ELECTROLYSIS
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GCSE TRIPLE HIGHER CHEMISTRY
ELECTROLYSIS QUESTIONS AND
ANSWERS

1.​ After mining bauxite what is the product? - ANSWER-- Aluminium oxide
- Al2O3
2.​ Define: Cathode
Anode
Cation
anion
electrolyte - ANSWER-*Cathode*- negatively charged electrode
*Anode*- positively charged electrode
*Cation*- ion from a compound this is interested in the cathode
*Anion*- ion from a compound this is drawn to the anode
Electrolyte- The compound that is damaged down by means of electroloysis
3.​ State the 1/2 equations on the cathode and anode for the electrolysis of aluminium oxide
- ANSWER-Al 3+ + 3e- ---> Al
2O ----> O2 + 4e-
4.​ State the 1/2 equations at the electrodes during the electroylisis of sodium chloride -
ANSWER-*ANODE*
- 2Cl ---- Cl2 + 2e-

*CATHODE*
- 2H+ + 2e- ---> 2H2
5.​ State the general electrolyisis of aluminium oxide - ANSWER-- Aluminium oxide ----->
Aluminium + oxygen
- 2Al2O3 -----> 4Al + 3O2
- Aluminium paperwork on the cathode
- Oxygen paperwork on the anode
6.​ What are the goods of the electrolysis of sodium cholride - ANSWER-Sodium chloride
---> Hydrogen fuel + Chlorine fuel
+ Sodium hydroxide
7.​ What are the 2 kinds of electrolysis and what are their professionals and cons? -
ANSWER-- Molten electrolysis
- Always a natural steel shaped(P)
- Predictable (P)
- Loads of strength required (C)
- Potentially dangerous (C)
- Aqueous electrolysis

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