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  • Answer please! In the leaching method, bauxite ore isdigested with a concentrated solution ofNaOH that produces ‘X’. When CO 2 gasis passed through the aqueous solution of‘X’, a hydrated compound ‘Y’ isprecipitated

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 solution of
‘X’, a hydrated compound ‘Y’ is
precipitated. ‘X’ and ‘Y’ respectively
are :

  • Option 1)

    NaAlO2 and Al2(CO3)3⋅xH2O

  • Option 2)

    Al(OH)3 and Al2O3⋅xH2O

  • Option 3)

    Na[Al(OH)4] and Al2O3⋅xH2O

  • Option 4)

    Na[Al(OH)4] and Al2(CO3)3⋅xH2O

 

Answers (1)

best_answer

As we have learnt,

@1881

    Al_{2}O_{3}\cdot xH_{2}O + NaOH \rightarrow Na[Al(OH)_{4}] \rightarrow Al_{2}O_{3}\cdot xH_{2}O

                                                                            x                                    y


Option 1)

NaAlO2 and Al2(CO3)3⋅xH2O

Option 2)

Al(OH)3 and Al2O3⋅xH2O

Option 3)

Na[Al(OH)4] and Al2O3⋅xH2O

Option 4)

Na[Al(OH)4] and Al2(CO3)3⋅xH2O

Posted by

Aadil

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