In ICSE, if the question is asked :show that sulfuric acid is an oxidising agent what would be the correct answer ?
Dear Student,
Hot concentrated sulphuric acid is a moderately strong oxidising agent. In this respect, it is intermediate between phosphoric and nitric acids. Both metals and non-metals are oxidised by concentrated sulphuric acid, which is reduced to SO2.
Cu + 2 H2SO4(conc.) → CuSO4 + SO2 + 2H2O
3S + 2H2SO4(conc.) → 3SO2 + 2H2O
C + 2H2SO4(conc.) → CO2 + 2 SO2 + 2 H2O
H 2 S
It is a reducing agent since it can be oxidised easily into to sulphur
SO 2
It is a reducing agent since it can be also oxidised easily into to SO3
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