Question

Which of the following is not correct?

• 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

Answer 1

Answer: (D)

$NaOH$ is used during Halls process of purification of bauxite

Answer 2

$NaOH$ is used in the Baeyers process. Hence, $NaOH$ is used during Halls process of purification of bauxite is not the correct statement.