Q3Multiple choice
Which of the following reactions is an example of autoreduction?
- (i)Fe3O4 + 4CO → 3Fe + 4CO2
- (ii)Cu2O + C → 2Cu + CO
- (iii)Cu2+ (aq) + Fe (s) → Cu (s) + Fe2+ (aq) 1 1
- (iv)Cu2O + Cu2S → 3Cu + SO2 2 2
Show answer
(iv) Cu2O + Cu2S → 3Cu + SO2 2 2