C3.4 Electrolysis Flashcards
What are the electrodes?
Cathode - N
Anode - P
What is an electrolyte?
A compound in its liquid state or in a solution which contains mobile ions and conducts electricty
During electrolysis, positive ions ___ electrons at the _____
Gain , cathode
During electrolysis, negative ions ___ electrons at the _____
Lose , anode
Positive ions are called?
Cations
Negative ions are called?
Anions
When ions become atoms or molecules at an electrode, you say the ions have been..?
Discharged
Ions move to the ______ charged electrode during electrolysis
Opposite
What are inert electrodes
Not changed during electrolysis
What is below hydrogen in the reactivity series ( in order )
Copper
Silver
Gold
Platinum
What type of electrodes does electroplanting use?
Non inert electrodes
How does electroplanting work?
The cathode is the object which is coated
The anode is the metal which you coat the object with
