A) Heating \[AlC{{l}_{3}}.6{{H}_{2}}O\]
B) By passing dry \[HCl\] over hot aluminium powder
C) By passing dry \[C{{l}_{2}}\] over hot aluminium powder
D) By passing dry \[C{{l}_{2}}\] over a hot mixture of alumina and coke
Correct Answer: A
Solution :
\[AlC{{l}_{3}}.6{{H}_{2}}O\xrightarrow{\Delta }Al{{(OH)}_{3}}+3HCl+3{{H}_{2}}O\] Thus \[AlC{{l}_{3}}\] can not be obtained by this method
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