Electrode Potentials

Question 1

Is the left electrode positive or negative

Answer 1

Negative -oxidation/electrons are produced here

Question 2

Is the right electrode positive or negative

Answer 2

Positive-reduction /electrons used here

Question 3

Give the key information for s standard hydrogen electrode

Answer 3

Always on left/oxidation side
H2 gas at 100kPa
H+ ions at 1moldm-3
A Pt electrode
Temp of 298k