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Electrochemistry

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Q JEE MAIN 2020
What would be the electrode potential for the given half cell reaction at $\mathrm{pH}=5$ ? $\_\_\_\_$ . $...
JEE Main Chemistry Medium
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Q JEE MAIN 2020
Among the gases (a) - (e), the gases that cause greenhouse effect are
JEE Main Chemistry Easy
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Q JEE-MAIN 2020
The variation of molar conductivity with concentration of an electrolyte (X) in aqueous solution is shown in the given figure. The electrolyte X is
JEE Main Chemistry Easy
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Q JEE MAIN 2019
For the reaction, $$ \begin{aligned} & 2 \mathrm{SO}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{SO}_3(\mathrm{~g}) \\ & \Delta \mathrm{H}=-57.2 \mathrm{~kJ} \mathrm{~mol}^{-1} \text { and } \mathrm{K}_{\mathrm{c}}=1.7 \times 10^{16} ....
JEE Main Chemistry Easy
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Q JEE MAIN 2019
Which one of the following graphs between molar conductivity ( $\Lambda_{\mathrm{m}}$ ) versus $\sqrt{\mathrm{C}}$ is correct?
JEE Main Chemistry Hard
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Q JEE MAIN 2020

Identify the incorrect statement from the option below for the above cell:
JEE Main Chemistry Easy
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Q JEE Main 2019
Consider the following reduction processes: $$ \begin{aligned} & \mathrm{Zn}^2++2 \mathrm{e}^{-} \rightarrow \mathrm{Zn}(\mathrm{~s}) ; \mathrm{E}^{\circ}=-0.76 \mathrm{~V} \\ & \mathrm{Ca}^{2+}+2 \mathrm{e}^{-} \rightarrow \mathrm{Ca}(\mathrm{~s}) ; \mathrm{E}^{\circ}=-2.87 \mathrm{~V} \\...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
250 mL of a waste solution obtained from the workshop of a goldsmith contains $0.1 \mathrm{M} \mathrm{AgNO}_3$ and 0.1 M AuCl . The solution was...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
Biochemical Oxygen Demand (BOD) is the amount of oxygen required (in ppm)
JEE Main Chemistry Easy
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Q JEE MAIN 2020
Amongst the following, the form of water with the lowest ionic conductance at 298 K is
JEE Main Chemistry Easy
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