1.

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

Answer»

`H_2CO_3 HARR 2H^(+) + CO_3^(2-)`
`4Fe^(2+) + O_(2(DRY)) to Fe_2O_3`
`4Fe^(2+) + O_2+ 4H_2O to 2Fe_2O_3 + 8H^(+)`
`Fe_2O_3 + xH_2O to Fe_2O_3. xH_2O`

Solution :`Fe^(2+)` ion does not react with dry oxygen


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