Which among the following species is reduced by tin easily?
Which among the following species is reduced by tin easily?
Iodine
Iron
Zinc
Sodium
Solution
Among the given species, only iodine has positive $\mathrm{E}^{\circ}$ value. Higher (more positive) $\mathrm{E}^{\circ}$ value for a half reaction indicates its greater tendency to get reduced.
Therefore, iodine is reduced by tin easily.