A) \[A{{l}_{2}}{{O}_{3}}\] with HCl gas
B) \[A{{l}_{2}}{{O}_{3}}\] with \[NaCl\] in solid state
C) a mixture of \[A{{l}_{2}}{{O}_{3}}\] and carbon in dry \[C{{l}_{2}}\] gas
D) \[A{{l}_{2}}{{O}_{3}}\] with \[C{{l}_{2}}\] gas
Correct Answer: C
Solution :
[c] may be converted to anyhydrous by heating of mixture of Al2O3 and carbon in dry chlorine Note: Anhydrous exists in form of dimer asYou need to login to perform this action.
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