JEE Main 15 Apr 2018 Shift 2 Solved Paper

Section: Chemistry

Question : 39 of 90

Marks: +1, -0

In the leaching method, bauxite ore is digested with a concentrated solution of NaOH that produces ' X '. When CO2 gas is passed through the aqueous solution of ' X ', a hydrated compound ' Y ' is precipitated. ' X ' and ' Y ' respectively are :-

[15 Apr 2018 Shift 2]

Na[Al(OH)4] and Al2O3⋅×H2O
Al(OH)3 and Al2O3⋅×H2O
Na[Al(OH)4] and Al2(CO3)3⋅×H2O
Na AlO 2 and Al2(CO3)3⋅×H2O

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