Difficulty distribution
How the classified questions are distributed by difficulty.
17questions
Not classified
17
100%
Electrochemistry - Physical Chemistry - Chemistry Previous Year Questions
Practice Electrochemistry - Physical Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
10Papers
9Years
17Questions
1Topics
Electrochemistry question pattern
Every graph below is calculated only from this selection.
Questions by year
Year-wise coverage for Electrochemistry. Each bar uses a separate theme-derived color.
Question type distribution
MCQ, numerical, multiple-select and other formats found in these papers.
17questions
MCQ
14
82.4%
MSQ
3
17.6%
Subject weightage
Top subjects by unique question coverage.
Most asked topics
Top topics across the included previous year papers.
Subtopic coverage
Top subtopics inside this exact selection.
Paper coverage
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Included previous year papers
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| WB JEE 2026 | 2026 | 1 | View paper |
| VITEEE 2025 | 2025 | 2 | View paper |
| WB JEE 2025 | 2025 | 1 | View paper |
| WB JEE 2024 | 2024 | 1 | View paper |
| WB JEE 2023 | 2023 | 2 | View paper |
| WB JEE 2021 | 2021 | 2 | View paper |
| WB JEE 2019 | 2019 | 3 | View paper |
| WB JEE 2018 | 2018 | 2 | View paper |
| WB JEE 2017 | 2017 | 2 | View paper |
| WB JEE 2016 | 2016 | 1 | View paper |
All Electrochemistry previous year questions
Practice every matching question in batches of 20, with every available option.
2016 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2016
The order of equivalent conductance at infinite dilution for LiCl, NaCl and KCl is
2017 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2017
How many faradays are required to reduce 1 mol of \(C{r_2}O_7^{2 - }\) to Cr3+ in acid medium?
2017 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2017
The role of fluorspar, which is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite is
2018 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2018
Given the standard half-cell potentials (E\(^\circ\)) of the following as
$$\matrix{ {Zn \to Z{n^{2 + }} + 2{e^ - };} & {{E^o} = + 0.76V} \cr {Fe \to F{e^{2 + }} + 2{e^ - };} & {{E^o} = 0.41V} \cr }$$
Then the standard e.m.f. of the cell with the reaction \(F{e^{2 + }} + Zn \to Z{n^{2 + }} + Fe\) is
$$\matrix{ {Zn \to Z{n^{2 + }} + 2{e^ - };} & {{E^o} = + 0.76V} \cr {Fe \to F{e^{2 + }} + 2{e^ - };} & {{E^o} = 0.41V} \cr }$$
Then the standard e.m.f. of the cell with the reaction \(F{e^{2 + }} + Zn \to Z{n^{2 + }} + Fe\) is
2018 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2018
What amount of electricity can deposit 1 mole of Al metal at cathode when passed through molten AlCl3 ?
2019 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2019
If electrolysis of aqueous CuSO4 solution is carried out using Cu-electrodes, the reaction taking place at the anode is
2019 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2019
2019 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2019
The charge carried by 1 millimole of Mn+ ions is 193 coulombs. The value of n is
2021 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2021
2021 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2021
2023 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2023
2023 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2023
The equivalent conductance of NaCl, HCl and CH\(_3\)COONa at infinite dilution are 126.45, 426.16 and 91 ohm\(^{-1}\)cm\(^2\)eq\(^{-1}\) respectively at 25\(^\circ\)C. The equivalent conductance of acetic acid (at infinite dilution) would be
2025 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2025
The molar conductances of $\mathrm{Ba}(\mathrm{OH})_2, \mathrm{BaCl}_2$ and $\mathrm{NH}_4 \mathrm{Cl}$ at infinite dilution are $523 \cdot 28,280 \cdot 0$ and $129.8 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$ respectively. The molar conductance of $\mathrm{NH}_4 \mathrm{OH}$ at infinite dilution will be
2025 · Chemistry · Physical Chemistry · Electrochemistry
VITEEE 2025
6.35 g of copper (Atomic mass $=635 \mathrm{u}$ ) is deposited at the cathode from a $\mathrm{Cu}^{2+}$ solution using a certain quantity of electric charge.
The volume of oxygen gas liberated at STP from water electrolysis using the same quantity of electric charge is
2025 · Chemistry · Physical Chemistry · Electrochemistry
VITEEE 2025
How long should water be electrolysed using 50 A current to release enough $\mathrm{H}_2$ gas to completely reduce 8.0 g of CuO ?
$\left(\mathrm{CuO}+\mathrm{H}_2 \longrightarrow \mathrm{Cu}+\mathrm{H}_2 \mathrm{O}\right.$; Atomic mass of $\mathrm{Cu}=635 \mathrm{u}$ )
2026 · Chemistry · Physical Chemistry · Electrochemistry
WB JEE 2026
In a conductance experiment, aqueous $\mathrm{AgNO}_3$ solution is added to aqueous KCl solution gradually and simultaneously the molar conductivity ( $\lambda_{\mathrm{m}}$ ) is measured. The correct plot of $\lambda_{\mathrm{m}}$ versus volume of $\mathrm{AgNO}_3$ solution is