Which of the following rection(s) is (are) involved in the rustin of iron ?A. `Fe_((s)) rarr Fe_((aq.))^(2+) + 2e`B. `O_(2(g)) + 4H_((aq.))^(+) + 4e rarr 2H_(2)O_(l)`C. `2Fe_((s)) + O_(2(g)) + 4H_((aq.))^(+) rarr 2Fe_((aq.))^(2+) + 2H_(2)O_((l))`D. `Fe^(2+) + 2e rarr Fe_((s))`

Which of the following rection(s) is (are) involved in the rustin of i

1.	Which of the following rection(s) is (are) involved in the rustin of iron ?A. `Fe_((s)) rarr Fe_((aq.))^(2+) + 2e`B. `O_(2(g)) + 4H_((aq.))^(+) + 4e rarr 2H_(2)O_(l)`C. `2Fe_((s)) + O_(2(g)) + 4H_((aq.))^(+) rarr 2Fe_((aq.))^(2+) + 2H_(2)O_((l))`D. `Fe^(2+) + 2e rarr Fe_((s))`
Answer» Correct Answer - A::B::C

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Based on the data given below, the correcy order of reducing power is: `Fe_((aq.))^(3+) + e rarr Fe_((aq.))^(2+), E^(@) = +0.77 V` `Al_((aq.))^(3+) + 3e rarr Al_((s)), E^(@) = -1.66 V` `Br_(2(aq.)) + 2e rarr 2Br_((aq.))^(-), E^(@) = +1.08 V`A. `Br^(-) lt Fe^(2+) lt Al`B. `Fe^(2+) lt Al lt Br^-`C. `Al lt Br^(-) lt Fe^(2+)`D. `Al lt Fe^(2+) lt Br^(-)`
What are elementary reactions ?

Which of the following rection(s) is (are) involved in the rustin of iron ?A. `Fe_((s)) rarr Fe_((aq.))^(2+) + 2e`B. `O_(2(g)) + 4H_((aq.))^(+) + 4e rarr 2H_(2)O_(l)`C. `2Fe_((s)) + O_(2(g)) + 4H_((aq.))^(+) rarr 2Fe_((aq.))^(2+) + 2H_(2)O_((l))`D. `Fe^(2+) + 2e rarr Fe_((s))`

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