Chemistry · 2018
JEE Main · 15 April 2018, Shift 2 · Q49
In the leaching method, bauxite ore is digested with a concentrated solution of NaOH that produces ' X '. When CO_2 gas is passed through the aqueous…
In the leaching method, bauxite ore is digested with a concentrated solution of NaOH that produces ' $\displaystyle X$ '. When $\displaystyle \mathrm{CO}_2$ gas is passed through the aqueous solution of 'X', a hydrated compound 'Y' is precipitated. ' $\displaystyle X$ ' and 'Y' respectively are :
Official answer
(3)
$\displaystyle \mathrm{Na}\left[\mathrm{Al}(\mathrm{OH})_4\right]$ and $\displaystyle \mathrm{Al}_2 \mathrm{O}_3 \cdot x \mathrm{H}_2 \mathrm{O}$
More from Metallurgy
- Given below are two statements: Statement I: According to the Ellingham diagram, any metal oxide with higher Δ G^° is more stable than the one with…2022
- In liquation process used for tin (Sn), the metal2022
- Match List - I with List - II: Choose the most appropriate answer from the options given below:2022
- Which of the following chemical reactions represents Hall-Heroult Process?2022
- Given are two statements one is labelled as Assertion A and other is labelled as Reason R. Assertion A:Magnesium can reduce Al_2 O_3 at a temperature…2022
- Given below are two statements. Statement I: Pig iron is obtained by heating cast iron with scrap iron. Statement II: Pig iron has a relatively lower…2022
- For a reaction, 4 M( s)+nO_2( g) → 2 M_2 O_n( s), the free energy change is plotted as a function of temperature. The temperature below which the…2020
- In the electrolytic refining of blister copper, the total number of main impurities, from the following, removed as anode mud is \ \ \ \. Pb, Sb, Se,…2021
JEE Main 2018 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.