was leached with alkali to get X. The solution of X on passing of gas Y, forms Z.

X, Y and Z respectively are

Question

was leached with alkali to get X. The solution of X on passing of gas Y, forms Z.

X, Y and Z respectively are

Canvas Classes · Accepted Answer

Step 1:  leached with NaOH (alkali):

(sodium aluminate)

Step 2: Passing  gas through sodium aluminate solution:

The precipitate  on heating gives  (hydrated alumina).

,

This is the Bayer process for purification of bauxite.

Answer: Option (4)

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