Anhydrous $AlCl_3$ is formed in

  • A

    $AlC{l_3}.6{H_2}O\xrightarrow{\Delta }$

  • B

    $Al\left( {\operatorname{Re} d\,hot} \right) + HCl\left( {Moist} \right)\xrightarrow{\Delta }$

  • C

    $A{l_2}{O_3} + C + C{l_2}\left( {dry} \right)\xrightarrow{\Delta }$

  • D

    All of these

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