14 JEE Main 2019 Electrochemistry previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 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 decreasing order of electrical conductivity of the following aqueous solutions is: A 0.1   M Formic acid, B 0.…
Which one of the following graphs between molar conductivity Λ m versus C is correct?
∧ m o for NaCl ,   HCl and NaA are 126.4 ,   425.9 and 100 .5   S   cm 2 mol - 1 respecti…
For the cell Zn(s) |Zn²⁺(aq) \| Mx⁺(aq) | M(s), different half cells and their standard electrode potentials are given…
In the cell, Pt s H 2 g ,   1 bar   HCl   aq AgCl s Ag s Pt s , the cell potential is 0 .92   V whe…
Calculate the standard cell potential (in V) of the cell in which the following reaction takes place: F e 2 +   a…
If the standard electrode potential for a cell is 2   V at 300   K , the equilibrium constant K for the react…
Consider the following reduction processes: Zn 2 + + 2 e - → Zn ( s ) ; E o = - 0 .76   V Ca 2 + + 2 e - &#…
Given the equilibrium constant: KC of the reaction: Cu(s)+2 Ag⁺(aq) → Cu²⁺(aq)+2 Ag(s) is 10 × 10¹⁵ calculate the Ecell…
The standard Gibbs energy for the given cell reaction in k J   m o l - 1 at 298   K is: Z n s + C u 2 + a q &…
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