Q. 354.7( 3 Votes )
(i) C + O2→ CO2
The above reaction is an oxidation reaction in which the carbon atom is gaining the oxygen and is oxidized.
(ii) Mg + CI2→ MgCI2
The above reaction is an oxidation reaction because here a more electronegative atom which is chlorine is being added to magnesium.
(iii) ZnO + C → Zn + CO
The above reaction is a redox reaction in which zinc is getting reduced as it is losing oxygen atoms and carbon is getting oxidized as it is gaining the oxygen atoms.
(iv) Fe2O3 + 3CO → 2Fe + 3CO2
The above reaction is a redox reaction in which ferric oxide (Fe2O3) is reduced into iron (Fe) and carbon monoxide (CO) is oxidized into carbon dioxide (CO2) by gaining the oxygen atoms.
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