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NEET UG CHEMISTRY MCQ: ELECTRO CHEMISTRY

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Daniel cell, anode and cathode are respectively
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Correct option: A
Zn∣Zn2+andCu2+∣Cu\mathrm{Zn}\left| {\mathrm{Z}{\mathrm{n}^{2 + }}\mathrm{and}{\kern 1pt} {\kern 1pt} \mathrm{C}{\mathrm{u}^{2 + }}} \right|\mathrm{Cu}
Option A (Zn∣Zn2+andCu2+∣Cu\mathrm{Zn}\left| {\mathrm{Z}{\mathrm{n}^{2 + }}\mathrm{and}{\kern 1pt} {\kern 1pt} \mathrm{C}{\mathrm{u}^{2 + }}} \right|\mathrm{Cu}) is correct because in a Daniel cell, the anode is zinc immersed in a zinc sulfate solution, and the cathode is copper immersed in a copper sulfate solution.

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4.5 g of Al (at. mass 27 amu) is deposited at cathode from Al3+A{l^{3 + }} solution by a certain quantity of charge. The volume of H2{H_2} produced at STP from H+{H^ + } ions in solution by the same quantity of charge will be : The correct order of molar conductivity at infinite dilution of LiCl,NaClandKCl\mathrm{LiCl},{\rm{NaCl {\kern 1pt}{\kern 1pt}and {\kern 1pt}{\kern 1pt}KCl}} is A solution of copper sulphate (CuSO4)\left(\mathrm{CuSO}_4\right) is electrolysed for 10 minutes with a current of 1.5 amperes. The mass of copper deposited at the cathode (at. mass of Cu = 63 u) is The desired amount of charge for obtaining one mole of Al from Al3+\mathrm{A}{\mathrm{l}^{3 + }} is When an aqueous solution of lithium chloride is electrolysed using graphite electrodes : Which are used as secondary reference electrodes?
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