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Al(2) O(3) can't be reduced by carbon t...

`Al_(2) O_(3)` can't be reduced by carbon to get Al mental. Explain.

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Why cannot Al be reduced by carbon ?

Why Al cannot be reduced by carbon?

Knowledge Check

  • Al_(2)O_(3) reacts with

    A
    only water
    B
    only acids
    C
    only alkalis
    D
    both acids and alkalis

  • Read the following statements :- (I) Al has greater affinity than that of Cr, for oxygen (II) Al can be used for reduction of Fe_(2)O_(3) (III) Carbon is used for reduction of copper oxide (CuO) (IV) SnO_(2) can be reduced by carbon Choose the correct set of statement(s)

    A
    I, III
    B
    I, II, IV
    C
    I, II, III
    D
    All of these

  • Al_(2)O_(3) is reduced by electrolysis at low potentials and high current. If 4.0 xx 10^(4) amperes of currernt is passed through molten Al_(2)O_(3) for 6 hours, what mass of aluminium is produced? (Assume 100 % current efficiency, At. Mass of Al = 27 u )

    A
    `8.1 xx 10^(4) g`
    B
    `2.4 xx 10^(5) g`
    C
    `1.3 xx 10^(4) g`
    D
    `9.0 xx 10^(3) g`

    • Similar Questions

    Explore conceptually related problems

    Why Al cannot be reduced by carbon?

    Statement -1 Al_(2)O_(3) is converted in to Al by reductin with carbon at high temp. statement -2: Carbon has grater affinity for oxygen than alumium .

    Statement -1 Al_(2)O_(3) is converted in to Al by reductin with carbon at high temp. statement -2: Carbon has grater affinity for oxygen than alumium .

    Assertion : Al_(2)O_(3) is converted into Al by reduction with carbon at high temp. Reason : Carbon has greater affinity for oxygen than aluminium.

    Assertion : Al_(2)O_(3) is converted into Al by reduction with carbon at high temp. Reason : Carbon has greater affinity for oxygen than aluminium.

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