Y2 Electrochemistry (P)

Question 1

the more -ve the standard electrode potential value will be the

Answer 1

• (-)ve electrode
• will release electrons (oxidation)
• Equations will go in the reverse direction (electrons on the right)

Question 2

The more +ve standard electrode potential will be the

Answer 2

• (+)ve electrode
• will gain electrons (reduction)
• The equation will go in the forward direction (electrons on the left)

Question 3

Electrons flow

Answer 3

From the more -ve E(⦵) to the more +ve E(⦵)

Question 4

emf =

Answer 4

emf = E(red) - E(oxi)

Question 5

what takes place at the anode?

Answer 5

Oxidation

Question 6

What takes place at the cathode

Answer 6

Reduction

Question 7

Which electrode is on the left side in the notation of a cell

Answer 7

anode (oxidation)

Question 8

Which electrode is on the right side in the notation of a cell?

Answer 8

cathode ( reduction )

Question 9

What do single lines represent on notation of a cell?

Answer 9

Phase boundary

Question 10

What do double lines represent on notation of a cell?

Answer 10

salt bridge

Question 11

electrons flow from areas of

Answer 11

high electron potential to low electron potential

Question 12

What’s the strongest reducing agent?

Answer 12

The substance with the most negative E (⦵) value
Lithium is the strongest