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Electrochemistry

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2023
At 298 K , the standard reduction potential for $\mathrm{Cu}^{2+} / \mathrm{Cu}$ electrode is 0.34 V . Given: $\mathrm{K}_{\text {sa }} \mathrm{Cu}(\mathrm{OH})_2=1 \times 10^{-20}$ [JEE...
JEE Main Chemistry Medium
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Q JEE MAIN 2025
40 mL of a mixture of $\mathrm{CH}_3 \mathrm{COOH}$ and HCl (aqueous solution) is titrated against 0.1 M NaOH solution conductometrically. Which of the following statement...
JEE Main Chemistry Hard
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Q JEE MAIN
The standard cell potential ( $\mathrm{E}_{\text {cell }}^{\ominus}$ ) of a fuel cell based on the oxidation of methanol in air that has been used...
JEE Main Chemistry Medium
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Q JEE MAIN 2023
https://competishun.com/the-product-which-is-not-obtained-during-the-electrolysis-of-brine-solution-is/
JEE Main Chemistry Easy
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Q JEE MAIN 2023
$1 \times 10^{-5} \mathrm{M} \mathrm{AgNO}_3$ is added to 1 L of saturated solution of AgBr . The conductivity of this solution at 298 K is...
JEE Main Chemistry Hard
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Q JEE MAIN 2023
The equilibrium constant for the reaction $\mathrm{Zn}(\mathrm{s})+\mathrm{Sn}^{2+}(\mathrm{aq}) \rightleftharpoons \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{Sn}(\mathrm{s})$ is $1 \times 10^{20}$ at 298 K . The magnitude of standard electrode potential of $...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
$\mathrm{Pt}(\mathrm{s}) \mathrm{H}_2(\mathrm{~g})(1 \mathrm{bar})\left|\mathrm{H}^{+}(\mathrm{aq})(1 \mathrm{M})\right|\left|\mathrm{M}^{3+}(\mathrm{aq}), \mathrm{M}^{+}(\mathrm{aq})\right| \mathrm{Pt}(\mathrm{s})$ $$ \text { The Ecell for the given cell is } 0.1115 \mathrm{~V} \text { at } 298 \mathrm{~K}...
JEE Main Chemistry Medium
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Q JEE MAIN 2023
The concentration of dissolved Oxygen in water for growth of fish should be more than ppm and Biochemical Oxygen Demand in clean water should be...
JEE Main Chemistry Hard
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Q JEE MAIN 2023
Which one among the following metals is the weakest reducing agent ?
JEE Main Chemistry Easy
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