Carbon cannot be used in the reduction of Al2O3 because :
CHEMISTRY · Single correct · CBSE · Chemistry · Metals and Non-metals · Metals and Non-metals
Problem
Carbon cannot be used in the reduction of Al2O3 because :
(1) it is non-metal
(2) the heat of formation of CO2 is more than that of Al2O3
(3) pure carbon is not easily available
(4) the heat of formation of Al2O3 is too high