Which among the following species is reduced by tin easily?

Which among the following species is reduced by tin easily?
  1. Iodine
  2. Iron
  3. Zinc
  4. 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.

Asked in: MHT CET 2023 (14 May Shift 2)

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