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Electrochemistry

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2025
On charging the lead storage battery, the oxidation state of lead changes from ${x_1}$ to ${y_1}$ at the anode and from ${x_2}$ to ${y_2}$ at...
JEE Main Chemistry Medium
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Q JEE MAIN 2025
Electrolysis of 600 mL aqueous solution of NaCl for 5 min changes the pH of the solution to 12 . The current in Amperes used...
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Correct order of limiting molar conductivity for cations in water at 298 K is :
JEE Main Chemistry Medium
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Q JEE MAIN 2025
Based on the data given below : / \mathrm{Cl}^{(-)}}^{\circ}=1.36 \mathrm{~V} \mathrm{E}_{\mathrm{MnO}_{4}^{-} / \mathrm{Mn}^{2+}}^{\circ}=1.51 \mathrm{~V} & \mathrm{E}_{\mathrm{Cr}^{3+} / \mathrm{Cr}}^{\circ}=-0.74 \mathrm{~V} \end{array} $$
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Consider the following electrochemical cell at standard condition.
$Au(s)\left| {Q{H_2},Q} \right|N{H_4}X(0.01M)||A{g^ + }(1M)\mid Ag(s){E_{{\rm{cell }}}} = + 0.4V$
The couple $Q{H_2}/Q$ represents quinhydrone electrode, the...
JEE Main Chemistry Hard
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Q JEE MAIN 2025
Standard electrode potentials for a few half cells are mentioned below : $\mathrm{E}_{\mathrm{Cu}^{2+} / \mathrm{Cu}}^{\circ}=0.34 \mathrm{~V}, \mathrm{E}_{\mathrm{Zn}^{2+} / \mathrm{Zn}}^{\circ}=-0.76 \mathrm{~V}$ $...
JEE Main Chemistry Medium
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Q JEE MAIN 2025
The standard reduction potential values of some of the p-block ions are given below. Predict the one with the strongest oxidising capacity.
JEE Main Chemistry Easy
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Q JEE MAIN 2025
The molar conductivity of a weak electrolyte when plotted against the square root of its concentration, which of the following is expected to be observed...
JEE Main Chemistry Easy
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Q JEE MAIN 2025
For a ${\rm{Mg}}\left| {{\rm{M}}{{\rm{g}}^{2 + }}({\rm{aq}})} \right|\left| {{\rm{A}}{{\rm{g}}^ + }({\rm{aq}})} \right|{\rm{Ag}}$ the correct Nernst Equation is :
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Given below is the plot of the molar conductivity vs $\sqrt {{\rm{ concentration }}}$ for KCl in aqueous solution.
JEE Main Chemistry Medium
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