IB ch 9 test: redox

Goes through paper 1 & paper 2 questions over redox equations plus voltaic and electrolytic cells.

[ninaberdennikova]

I am fairly sure that the main similarity between the two cells is that they both undergo oxidation at the anode and reduction at the cathode, for question 13.

[alisgevorgyan]

Ex 17 oxidation numbers are expressed in Roman numerals