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Precipitation Reaction

In Serpeck pr...

Question

In Serpeck process, bauxite is converted into $A l N$ , which is hydrolysed to precipitate $A l (O H)_{3}$ . If true, enter $1$ else enter $0$ .

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Solution

Serpeck process is a method of purification of bauxite ore containing silica $(S i O_{2})$ as the main impurity.

The reactions involved are-

$A l_{2} O_{3} .2 H_{2} O + 3 C + N_{2} ⟶ 2 A l N + 3 C O + 2 H_{2} O$
$2 A l N + 6 H_{2} O ⟶ 2 N H_{3} + A l (O H)_{3}$
Hence, the given statement is true, $1$ .

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