Q. In the leaching method, bauxite ore is digested with a concentrated solution of that produces ''. When gas is passed through the aqueous solution of '', a hydrated compound ' ' is precipitated. ' ' and ' ' respectively are :

 2542  178 JEE MainJEE Main 2018General Principles and Processes of Isolation of Elements Report Error

Solution:

In the leaching method, bauxite ore is digested with a concentrated solution of that produces .
When gas is passed through the aqueous solution of , a hydrated compound is precipitated.
and are and respectively.