which of these reactions are oxidation reaction ???
Asked by 24-02-1994
| 16th Jul, 2009,
05:42: PM
Expert Answer:
These reactions are redox reaction: in which both oxidation and reduction raection occur simultaneously.
In each redox reaction and oxidation reaction is taking place and a reduction reaction is taking palce.
1) CuO + H2 
Cu +H2O
In this redox reaction, CuO is getting reduced to Cu since Oxygen is getting removed. So, the conversion of CuO to Cu is reduction reaction. H2 is getting oxidised to H2O. So, it is oxidation reaction.
2) 2FeCl3 + H2S 2FeCl2 +2 HCl +S
In this redox reaction, H2S is getting oxidised to S. So, the conversion of H2S to S is oxidation reaction.
The conversion of FeCl3 to FeCl2 is reduction reaction
3) 4NH3 +3O2 2N2 + 6H2O
In this redox reaction, NH3 is getting oxidised to N2 since hydrogen is getting removed. So, the conversion of NH3 to N2 is oxidation reaction.
The conversion of O2 to H2O is reduction reaction
Answered by
| 18th Jul, 2009,
10:09: AM
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