Unit 1-(d) Bonding, Stucture and Properties-D. Electrolysis Flashcards
0
Q
What is electrolysis?
A
The flow of ions through solutions and molten compounds
1
Q
What is electric current?
A
The flow of charged particles
2
Q
What is an electrolyte?
A
A solution or molten compound which conducts electricity
3
Q
What does electrolysis do to an electrolyte?
A
Chemically changes it and may cause it to break up
4
Q
Which type of power supply must be used in electrolysis and why?
A
d.c. so the products can be identified
5
Q
Which electrode do the metal ions collect at? Which process takes place?
A
negative electrode and reduction
6
Q
Which electrode do the non metal ions collect at? Which process takes place?
A
positive and oxidation
7
Q
How can electrolysis be illustrated?
A
By the migration of coloured ions
