Q36Multiple correct
In which of the following reactions conc. H2SO4 is used as an oxidising reagent?
- (i)CaF2 + H2SO4 → CaSO4 + 2HF
- (ii)2HI + H2SO4 → I2 + SO2 + 2H2O
- (iii)Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O
- (iv)NaCl + H2SO4 → NaHSO4 + HCl
Show answer
(ii) 2HI + H2SO4 → I2 + SO2 + 2H2O
(iii) Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O