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Fe(2)O(3)+2AlrarrAl(2)O(3)+2Fe The abo...

`Fe_(2)O_(3)+2AlrarrAl_(2)O_(3)+2Fe`
The above reaction is an example of :

A

Combination reaction

B

Decomposition reaction

C

Displacement reaction

D

Double decomposition reaction

Text Solution

Verified by Experts

The correct Answer is:
C
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Fe_(2)O_(3)+2Al rarr Al_(2)O_(3)+2Fe Name the compound which is oxidized in the above reaction.

Balance the chemical equation Fe_(2)O_(3)+Al rarr Fe+Al_(2)O_(3) . Write the steps of balancing.

Knowledge Check

  • Exothermic reaction among the following is A) Cr_(2) O_(3) + 2All to 2 Cr + Al_(2) O_(3) B) Fe_(2) O_(3) + 2Al to 2 Fe + Al_(2) O_(3) C) 3 Mn_(3) O_(4) + 8 Al to 4 Al_(2) O_(3) + 9 Mn

    A
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    B
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    C
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    D
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  • In the following change, 3Fe + 4H_(2)O rarr Fe_(3)O_(4) +4H_2 . In the atomic mass of iron is 56, then its equivalent mass will be

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    B
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    Assertion (A) : The reaction 2Al + Fe_2O_3 rarr Al_2O_3 + 2Fe + heat is to join railings of railway tracks . Assertion (R) : Molten iron will be produced in a thermite process.

    Al_((s)) + fe_(2)O_(3(s)) to Al_(2) O_(3(s)) + Fe_((s)) (atomic masses of Al = 27U, Fe = 56U, and O = 16U) 2Al_((s)) +Fe_(2)O_(3(s)) to Al_(2)O_(3(s)) + 2Fe_((s)) , is a balanced equation. (2 xx 27)U + (2xx 56 + 3xx 16)U to (2xx 27 + 3 xx 16) U + (2 xx 56) U {:(54U+160U,,to102U+112U),(or2" mol" + "1 mol",,to 1"mol" + 2"mol"),(54g + 160g ,, to 102 g + 112 g):} Suppose that your asked to calculate the amount of aluminium, required to get 1120 kg of iron by the above reaction.

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