Question

(ii) Fe(s)| Fe2+(0.001 M) || H+ (1M)|H, (1 atm) Pt
The electrode reactions and overall cell reactions are :
Fe(s) — Fe2+(aq) + 2e (At anode)
2H*(aq) + 2e H,g)
(At cathode)​

Answer 1

Answer:

the cathode, reduction takes place.

Oxidant+ne−→Reductant

Example: Cu2++2e−→Cu

Cu2+ is the oxidizing agent and Cu the reducing agent.

On the anode, oxidation takes place.

Reductant→Oxidant+ne−

Example: Zn→Zn2++2e− .

Zn is the reducing agent, and Zn2+ the oxidizing agent.

A battery requires at least two electrodes, the anode at which oxidation occurs, and the cathode at which reduction occurs. Reduction and oxidation are always required in any battery setup.

Explanation:

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