Save
C
Electro
Save
Share
Learn
Content
Leaderboard
Share
Learn
Created by
..
Visit profile
Cards (56)
What is electrolysis?
Decomposition of a liquid
electrolyte
using electricity
View source
What are the electrodes used in electrolysis made of?
Graphite
View source
What are the two types of electrodes in electrolysis?
Cathode
and
anode
View source
Why are graphite rods used as electrodes?
They are good
conductors
and
unreactive
View source
What is the negative electrode called?
Cathode
View source
What is the positive electrode called?
Anode
View source
What is an electrolyte?
A liquid or solution that conducts
electricity
View source
What happens to positive ions during electrolysis?
They move towards the
cathode
View source
What happens to negative ions during electrolysis?
They move towards the
anode
View source
What occurs at the anode during electrolysis?
Oxidation
occurs
View source
What occurs at the cathode during electrolysis?
Reduction
occurs
View source
What is the overall equation for the electrolysis of molten lead(II) bromide?
PbBr₂
→ Pb + Br₂
View source
What is produced at the cathode during the electrolysis of molten lead(II) bromide?
Silvery liquid metal
View source
What is produced at the anode during the electrolysis of molten lead(II) bromide?
Brown gas
View source
What is the half-equation for the reduction at the cathode during the electrolysis of molten lead(II) bromide?
Pb²⁺ + 2e⁻ →
Pb
View source
What is the half-equation for the oxidation at the anode during the electrolysis of molten lead(II) bromide?
2Br⁻ →
Br₂
+ 2e⁻
View source
What is the overall equation for the electrolysis of molten lithium chloride?
2LiCl → 2Li +
Cl₂
View source
What is produced at the cathode during the electrolysis of molten lithium chloride?
Silvery metal
View source
What is produced at the anode during the electrolysis of molten lithium chloride?
Chlorine gas
View source
What is the half-equation for the production of lithium at the cathode during the electrolysis of lithium chloride?
Li⁺
+ e⁻ → Li
View source
What is the half-equation for the production of chlorine at the anode during the electrolysis of lithium chloride?
2Cl⁻ →
Cl₂
+ 2e⁻
View source
What is the overall equation for the electrolysis of dilute sulfuric acid?
2H₂O
→ 2H₂ + O₂
View source
What is produced at the cathode during the electrolysis of dilute sulfuric acid?
Hydrogen gas
View source
What is produced at the anode during the electrolysis of dilute sulfuric acid?
Oxygen gas
View source
What is the half-equation for the production of hydrogen at the cathode during the electrolysis of dilute sulfuric acid?
2H⁺
+
2e⁻
→ H₂
View source
What is the half-equation for the oxidation at the anode during the electrolysis of dilute sulfuric acid?
4OH⁻ → 2H₂O + O₂ +
4e⁻
View source
Why is cryolite used in the extraction of aluminium?
It lowers the
melting point
and increases
conductivity
View source
What happens to the carbon electrodes during the electrolysis of aluminium extraction?
They
wear away
and
need replacement
View source
What is the purified aluminium ore dissolved in before electrolysis?
Aluminium oxide
View source
What is the half-equation for the production of aluminium at the cathode during the extraction of aluminium?
Al³⁺
+ 3e⁻ → Al
View source
What is the half-equation for the production of oxygen at the anode during the extraction of aluminium?
2O²⁻ → O₂ +
4e⁻
View source
Why is recycling aluminium important?
It saves
resources
,
energy
, and
costs
less
View source
What is the reaction that proves the presence of iodide?
Reaction with
starch paper
turns it blue
View source
What is the color of lead(II) iodide precipitate?
Yellow
View source
What is the main reason for the high cost of aluminium extraction?
High electricity cost and
temperature
needed
View source
What is the role of the aluminium oxide crust during extraction?
It keeps some
heat
in, saving
money
View source
What is the term for the process of breaking down a compound using electricity?
Electrolysis
View source
What is the importance of understanding oxidation and reduction in electrolysis?
It helps explain
electron transfer
during reactions
View source
How does the presence of impurities in bauxite affect aluminium extraction?
Impurities must be removed to
lower
melting
point
View source
What is the significance of the ions attracted to the electrodes during electrolysis?
They determine the
products
formed at each electrode
View source
See all 56 cards
See similar decks
3. Electric Circuits
Edexcel A-Level Physics
398 cards
1.1 Electric Circuits
WJEC GCSE Physics > Unit 1: Electricity, Energy, and Waves
128 cards
6.2.2 Electric Potential
OCR A-Level Physics > Module 6: Particles and Medical Physics > 6.2 Electric Fields
58 cards
7.2 Electric fields
2024-25 AQA A-Level Physics > 7. Fields and their consequences
53 cards
8.3 Electric Fields
AP Physics C: Electricity and Magnetism > Unit 8: Electric Charges, Fields, and Gauss’s Law
57 cards
7.2.2 Electric Motors
GCSE Physics > Unit 7: Magnetism and Electromagnetism > 7.2 The Motor Effect
59 cards
11.4 Electric Power
AP Physics C: Electricity and Magnetism > Unit 11: Electric Circuits
94 cards
7.2 Electric fields
AQA A-Level Physics > 7. Fields and their consequences
32 cards
2.4.1 Electron configuration
OCR A-Level Chemistry > Module 2: Foundations in Chemistry > 2.4 Electrons, Bonding and Structure
50 cards
2.1.1 Electric Current
GCSE Physics > Unit 2: Electricity > 2.1 Current, Potential Difference, and Resistance
23 cards
11.2 Electric Circuits
AP Physics C: Electricity and Magnetism > Unit 11: Electric Circuits
96 cards
14.2.1 Using Electrode Potentials
Edexcel A-Level Chemistry > Topic 14: Redox II > 14.2 Predicting Feasibility of Reactions
32 cards
1.1.3 Electron Configuration
Edexcel A-Level Chemistry > Topic 1: Atomic Structure and the Periodic Table > 1.1 Atomic Structure
116 cards
4.1.2 Electric Current
OCR A-Level Physics > Module 4: Electrons, Waves, and Photons > 4.1 Charge and Current
27 cards
6.2 Electric Fields
OCR A-Level Physics > Module 6: Particles and Medical Physics
102 cards
11.1 Electric Current
AP Physics C: Electricity and Magnetism > Unit 11: Electric Circuits
75 cards
2.3.3 Electric Circuits
CCEA GCSE Physics > Unit 2: Waves, Light, Electricity, Magnetism, Electromagnetism, and Space Physics > 2.3 Electricity
48 cards
5.4.1 Standard electrode potentials
OCR A-Level Chemistry > Module 5: Physical Chemistry and Transition Elements > 5.4 Redox and Electrode Potentials
48 cards
10.1 Electric Systems and Charge
AP Physics 2: Algebra-Based > Unit 10: Electric Force, Field, and Potential
50 cards
1.5 Atomic Structure and Electron Configuration
AP Chemistry > Unit 1: Atomic Structure and Properties
108 cards
8.1 Electric Charge and Electric Force
AP Physics C: Electricity and Magnetism > Unit 8: Electric Charges, Fields, and Gauss’s Law
70 cards