Question

Reduction potentials (decrease, increase,non-spontaneous, spontaneous) as you go down the redox tower.

The products of reactions at the top of the tower will likely be (decrease, increase non-spontaneous spontaneous) oxidation reactions.

Select the correct answer from the parenthesis.

Answer 1

a) Reduction potential increases as we go down the redox tower:
The more negative is the E0 value , the lower is its reduction potential and it can easily lose electrons to other species. and the more positive is the E0 value the higher is its reduction potential, and can easily gain electron and species can become reduced.
b) Non spontaneous
explanation: At the top of the redox tower the E0 value is negative thus the chemical species have lower reduction potential so they can not proceed in forward direction and reaction is spontaneous only if E0 is positive.