5 JEE Main 2013 Electrochemistry previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2013 previous-year questions from the Electrochemistry chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Electrochemistry chapter hub.
Four successive members of the first row of transition elements are listed below with atomic numbers. Which one of them…
A solution of copper sulphate (CuSO₄ ) is electrolysed for 10 minutes with a current of 1.5 amperes. The mass of copper…
Given : gathered E₍₁₎/₍₂₎ Cl₂ / Cl⁻o=1.36 ~V, ECr³⁺ / Cro=-0.74 ~V \ ECr₂ O₇²⁻ / Cr³⁺o=1.33 ~V, EMnO₄⁻ / Mn²⁺o=1.51 ~V…
The Gibbs energy for the decomposition of Al₂ O₃ at 500 ~C is as follows : (2)/(3) Al₂ O₃ → (4)/(3) Al+O₂, G=+940 ~kJ ~…
Electrode potentials (Eⁱrc ) are given below : $\begin{aligned} & \mathrm{Cu}^{+} / \mathrm{Cu}=+0.52 \mathrm{~V} ,\\ &…