MCQOPTIONS
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| 1. |
Corrosion of iron is essentially an electrochemical phenomenon where the cell reactions are [KCET 2005] |
| A. | \[Fe\] is oxidised to \[F{{e}^{2+}}\] and dissolved oxygen in water is reduced to \[\overset{\,\,\,\,\,\,\,}{\mathop{OH}}\,\] |
| B. | \[Fe\] is oxidised to \[F{{e}^{3+}}\] and \[{{H}_{2}}O\] is reduced to \[O_{2}^{2-}\] |
| C. | \[Fe\] is oxidised to \[F{{e}^{2+}}\] and \[{{H}_{2}}O\] is reduced to \[O_{2}^{-}\] |
| D. | \[Fe\] is oxidised to \[F{{e}^{2+}}\] and \[{{H}_{2}}O\] is reduced to \[{{O}_{2}}\] |
| Answer» B. \[Fe\] is oxidised to \[F{{e}^{3+}}\] and \[{{H}_{2}}O\] is reduced to \[O_{2}^{2-}\] | |