Pick out the wrong statement.

• Benzopyrene which causes cancer is present in traces in tobacco, charcoal & petrol driven automobile exhaust.
• NO2 is capable of penetrating the troposphere and can absorb both ultraviolet & visible light.
• Hydrocarbon pollutants are produced by sweet gum, oak & natural rubber trees.
• H2S is not at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO2.