For the reaction,C+O2→CO2;  ∆H=-393J 2Zn+O2→2ZnO; ∆H= -412JWhich one is correct ?

For the reaction,

C+O2CO2;  H=-393J 2Zn+O22ZnO; H= -412J

Which one is correct ?

  1. A

    Carbon can reduce ZnO to Zn

  2. B

    Oxidation of carbon is not feasible

  3. C

    Oxidation of Zn is not feasible

  4. D

    Zn liberates more heat than carbon during oxidation

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    Solution:

    Zn liberates more heat than carbon during oxidation

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