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Predict whether the reaction is feasib...

Predict whether the reaction is feasible or not`Al_(2)O_(3)+2Cr rarr Cr_(2)O_(3)+2Al," at 1773K, " Delta_(f)G_(("Al,Al"_(2))O_(3))^(@)=-"900kJ. Mol"^(-1) and Delta_(f)G_(("Cr, Cr"_(2)O_(3)))^(@)=-"500kJ.mol"^(-1)`

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Which one is more basic and why-mGo & Al_(2)O_(3) ?

Knowledge Check

  • Balance the reaction Al+O_2 rarr Al_2O

    A
    `4AL+3O_2 rarr 2Al_2O_3`
    B
    `AL_2+4O_2 rarr 3Al_2O_4`
    C
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    D
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  • Which of the following is amphoteric oxide ? Mn_(2)O_(7), CrO_(3), Cr_(2)O_(3), CrO, V_(2)O_(5), V_(2)O_(4)

    A
    `V_(2)O_(5), Cr_(2)O_(3)`
    B
    `Mn_(2)O_(7), CrO_(3)`
    C
    `CrO, V_(2)O_(5)`
    D
    `V_(2)O_(5), V_(2)O_(4)`

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    Carbon anode in the electrolytic reduction of Al_(2)O_(3) .

    Calculate the enthalpy of combustion of acetic (1) when burnt in excess of O_(2) in a bomb calorimeter. Given that DeltaH_(f)^(@), H_(2)O_((l))=-285.84" KJ mol"^(-1) and Delta_(f)H^(@), CO_(2(g))=-"393.52 KJ mol"^(-1), Delta_(f)H^(@)CH_(3)COOH_((l))=-"463 Kj mol"^(-1) .

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