Changes at the electrode Flashcards
1
Q
What do negativley charged ions do when they reach an electrode?
A
They loose electrons to become neutral atoms
2
Q
What do positively charged ions do when they reach an electrode?
A
They gain electrons to become neutral atoms
3
Q
Gaining electrons in called what?
A
Reduction
4
Q
Loosing electrons is called what?
A
Oxidation
5
Q
What is the rule for electrolysis in an aqueous solution?
A
If 2 elements can be produced at an electrode, the less reactive element will usually be formed
6
Q
What will usually be there in an aqueous solution?
A
There will usually be positively charged metal ions and H+ ions from water which are attracted to the cathode
7
Q
A
