3.1.11 Electrochemistry

Question 1

Salt bridge

Answer 1

Ions in the ionic substance in the salt bridge move through the salt bridge to COMPLETE THE CIRCUIT.

Question 2

Standard Hydrogen Electrode

Answer 2

All electrodes are compared to the SHE.

Question 3

SHE (reaction)

Answer 3

H2 (g) -> 2H+ (aq) + 2e-

Question 4

Standard electrode potential

Answer 4

The e.m.f. of a half cell measured under standard conditions when it is connected to the standard hydrogen electrode (SHE).

Question 5

e.m.f. of a cell (equation)

Answer 5

reduced - oxidised