Q.
Identify the process to which the following reaction belongs:
$Al_{2}O_{3}.2H_{2}O + Na_{2}CO_{3} \to 2NaAlO_{2} + 2H_{2}O + CO_{2}$
$2NaAlO_{2} + 2H_{2}O + CO_{2} \xrightarrow{50-60°C} Al_{2}O_{3}.2H_{2}O + Na_{2}CO_{3}$
General Principles and Processes of Isolation of Elements
Solution:
Correct answer is (a) Hall’s process
