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Write the equations for the reactions in...

Write the equations for the reactions involved in the leaching of alumina from bauxite ore.

Text Solution

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`Al_2 O_3 (s) + 2NaOH (aq) + 3H_2O(l) to 2Na [Al(OH)4](aq)`
`2Na [ al(OH)_4](aq) + CO_2(g) to Al_2O_3 . xH_2O(s) + 2NaHCO_3(aq)`
`Al_2O_3. x H_2O(s) to Al_2O_3 +x H_2O`
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Knowledge Check

  • A chemical reaction involves in

    A
    only breaking of bonds
    B
    only formation of bonds
    C
    both breaking and formation of bonds
    D
    none of these
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