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The standard Gibbs free energies for the reaction at 1773K are given below. What is the possibility of reducing Al2O3 and PbO with carbon at this temperature?

Abhishek Dogra , 7 Years ago
Grade 11
anser 1 Answers
Arun
= +21360 kJ mol-1
 
Since ΔrG° is positive, the reaction will not take place or Al2O3 will not be reduced by carbon.
 
 
Thus, reaction will be spontaneous and PbO will be reduced by carbon.
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