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Aarif Raj Walla
Asked: 2022-11-10T14:22:12+05:30 In:

Which of the following can be used for the isolation of aluminium ?
A. `Al_(2)O_(3) + 3C overset(Delta)rarr 2Al + 3CO uarr`
B. `AlCl_(3)+ 3Na rarr 3NaCl + Al`
C. `Al_(2)O_(3) + Fe rarr Fe_(2)O_(3)+Al`
D. None

Which of the following can be used for the isolation of aluminium ?
A. `Al_(2)O_(3) + 3C overset(Delta)rarr 2Al + 3CO uarr`
B. `AlCl_(3)+ 3Na rarr 3NaCl + Al`
C. `Al_(2)O_(3) + Fe rarr Fe_(2)O_(3)+Al`
D. None
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1 Answer

  1. Correct Answer – A
    Before 1886, Al was manufactured by chemical reduction of `AlCl_(3)` with Na
    `AlCl_(3) + 3Na rarr 3NaCl+Al`.

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