Ncert Exercises & Solutions

Write redox couples involved in the reactions (a) to (d) given in question 34.

Given that,

Cu + {Zn}^{2 +} \to {Cu}^{2 +} + Zn

Mg + {Fe}^{2 +} \to {Mg}^{2 +} + Fe

{Br}_{2} + 2 {Cl}^{-} \to {Cl}_{2} + 2 Br

Fe + {Cd}^{2 +} \to Cd + {Fe}^{2 +}

(a) Cu²⁺/Cu and Zn²⁺/Zn

(b) Mg²⁺/Mg and Fe²⁺/Fe

(d) Fe²⁺/Fe and Cd²⁺/Cd