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Which of the following reactions does no...

Which of the following reactions does not take place during rusting?

A

`H_2CO_3 hArr 2H^(+) + CO_3^(2-)`

B

`4Fe^(2+) + O_(2(dry)) to Fe_2O_3`

C

`4Fe^(2+) + O_2+ 4H_2O to 2Fe_2O_3 + 8H^(+)`

D

`Fe_2O_3 + xH_2O to Fe_2O_3. xH_2O`

Text Solution

Verified by Experts

The correct Answer is:
B
`Fe^(2+)` ion does not react with dry oxygen
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Knowledge Check

  • Which of the following reaction does not take place

    A
    `CuSO_(4)+ZnrarrZnSO_(4)+Cu`
    B
    `HeCl_(2)+FerarrFeCl_(2)+Hg`
    C
    `NaH+H_(2)OrarrNaOH+H_(2)`
    D
    `Na_(2)SO_(3)+CO_(2)rarrNa_(2)CO_(3)+SO_(2)`

  • Which of the following reaction does not take place ?

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    B
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    D

  • Which of the following reaction does not take place?

    A
    `Cu + underset (conc) (2HC1) to CuC1_(2) + H_(2)`
    B
    `Cu + underset (conc) (2H_(2)SO_(4)) overset (Heat) (rarr) CuSO_(4) + SO_(2) + 2H_(2) O`
    C
    `3Cu + underset (dilute) (8HNO_(3)) to 3Cu(NO_(3))_(2) + 2NO + 4H_(2)O`
    D
    `Cu + 2AgNO_(3) to Cu(NO_(3))_(2) + 2Ag`

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