Redox

In the reaction: Zn + CuSO₄ → ZnSO₄ + Cu, which species is oxidized?

What is the oxidation state of sulfur in H₂SO₄?

Which of the following is a reducing agent?

In the reaction: 2Fe³⁺ + Sn²⁺ → 2Fe²⁺ + Sn⁴⁺, which species is reduced?

Balance the redox reaction in acidic medium: MnO₄⁻ + Fe²⁺ → Mn²⁺ + Fe³⁺. What is the coefficient of Fe²⁺ after balancing?

In the electrochemical cell: Zn | Zn²⁺ || Cu²⁺ | Cu, which electrode undergoes oxidation?

Calculate the standard cell potential (E°cell) for the reaction: Zn + Cu²⁺ → Zn²⁺ + Cu, given E°(Cu²⁺/Cu) = +0.34 V and E°(Zn²⁺/Zn) = -0.76 V.

Which of the following statements is TRUE for a spontaneous redox reaction?

In the disproportionation reaction of chlorine in water: Cl₂ + H₂O → HCl + HClO, what is the oxidation state change of chlorine?

Derive the number of electrons transferred in the redox reaction: Cr₂O₇²⁻ + Fe²⁺ → Cr³⁺ + Fe³⁺ in acidic medium.