24 JEE Main 2025 Electrochemistry previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2025 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.
The standard reduction potential values of some of the p-block ions are given below. Predict the one with the strongest…
The molar conductance of an infinitely dilute solution of ammonium chloride was found to be 185 ~S ~cm² ~mol⁻¹ and the…
On charging the lead storage battery, the oxidation state of lead changes from x₁ to y₁ at the anode and from x₂ to y₂…
0.2 \%(w / v) solution of NaOH is measured to have resistivity 870.0 ~m Ω ~m. The molar conductivity of the solution wi…
For a Mg |Mg²⁺(aq) | |Ag⁺(aq) | Ag the correct Nernst Equation is :
Given below is the plot of the molar conductivity vs concentration for KCl in aqueous solution. If, for the higher conc…
Match List - I with List - II : arrayllll & List - I & List - II \ & Applications & Batteries / Cell \ (A) & Transistor…
Given below are two statements : Statement I : Mohr's salt is composed of only three types of ions-ferrous, ammonium an…
The standard cell potential (Ecell ⁱⁿus ) of a fuel cell based on the oxidation of methanol in air that has been used t…
For the given cell Fe²⁺ ₍aq₎+Ag⁺ ₍aq₎ → Fe₍aq₎³⁺+Ag₍s₎ The standard cell potential of the above reaction is Given: $\be…
Log in to unlock the full list, track what you've solved, and practice on the TCS iON-style CBT player. It's free.