4 JEE Main 2003 Electrochemistry previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2003 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.
For a cell reaction involving a two-electron change, the standard e.m.f. of the cell is found to be 0.295 ~V at 25ⁱrc C…
For the redox reaction Zn(s)+Cu²⁺(0.1 M) → Zn²⁺(1 M)+Cu(s) taking place in a cell, Ecell ⁰ is 1.10 volt. Eⁱrc for the c…
When during electrolysis of a solution of AgNO₃ 9650 coulombs of charge pass through the electroplating bath, the mass…
Standard reduction electrode potentials of three metals A,B\&C are respectively +0.5 ~V,-3.0 ~V \&-1.2 ~V. The reducing…