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Question

Chemistry Question on General Principles and Processes of Isolation of Elements

In the metallurgy of aluminium when the fused matrix is electrolyzed, the overall reduction reaction is

A

\ceAl2O3+3C>2Al+3CO\ce{ Al_2O_3 + 3C -> 2Al + 3CO}

B

\ceAl2O3>2Al3++3O2\ce{ Al_2O_3 -> 2Al^{3+} + 3O_2}

C

\ce2Al2O3+3C>4Al+3CO2\ce{ 2Al_2O_3 + 3C -> 4Al + 3CO_2}

D

\ceAl2O3+2CO>2Al+2CO2\ce{ Al_2O_3 + 2CO -> 2Al + 2CO_2}

Answer

\ce2Al2O3+3C>4Al+3CO2\ce{ 2Al_2O_3 + 3C -> 4Al + 3CO_2}

Explanation

Solution

Answer (c) 2Al2O3+3C>4Al+3CO2 { 2Al_2O_3 + 3C -> 4Al + 3CO_2}