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NEET2009Chemistrys Block ElementsActual

Which of the following is not correct?

Options

  1. AAl reacts with NaOH and liberate H ₂
  2. BAlCl ₃ is a Lewis acid
  3. CAl is used in the manufacture of electrical cables
  4. DNaOH is used during Hall's process of purification of bauxite

Correct answer

D. NaOH is used during Hall's process of purification of bauxite

Step-by-step solution

NaOH is used in the Baeyer's process. Hence, NaOH is used during Hall's process of purification of bauxite is not the correct statement.

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