First slide

Uses of Boron & Aluminium

Question

Anhydrous AlCl₃ is obtained when

Easy

A

Al₂O₃ reacts with HCl
B

Al reacts with HCl
C

Al is heated in a current of dry Cl₂
D

Al(OH)₃ reacts with HCl

Solution

Aluminium reacts with dry chlorine gas at high temperature forming anhydrous AlCl₃
$2Al + \mathop {3C{l_2}}\limits_{dry} \xrightarrow[{High\,\,temperature}]{\Delta }2AlC{l_3}$

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