Question
Question: Al2O3 can be converted to anhydrous AlCl3 by heating :...
Al2O3 can be converted to anhydrous AlCl3 by heating :
A
Hydrated Al2O3 with Cl2 gas
B
Al2O3 with aqueous HCl
C
Al2O3 with NaCl in solid state
D
A mixture of Al2O3 and carbon in dry Cl2 gas
Answer
A mixture of Al2O3 and carbon in dry Cl2 gas
Explanation
Solution
Al2O3 + 3Cl2 + 3C→Δ2AlCl3 + 3CO.