A) \[Al\] reacts with \[NaOH\] and liberate\[{{H}_{2}}\]
B) \[AlC{{l}_{3}}\] is a Lewis acid
C) \[Al\] is used in the manufacture of electrical cables
D) \[NaOH\] is used during Halls process of purification of bauxite
Correct Answer: D
Solution :
\[NaOH\] is used in the Baeyers process. Hence, \[NaOH\] is used during Halls process of purification of bauxite is not the correct statement.
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