NEET UG CHEMISTRY MCQ: ELECTRO CHEMISTRY

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In an electrolytic cell, the anode and cathode are respectively represented as :

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Correct option: A

Positive electrode, negative electrode

Option A is correct because, by convention, the anode is the positive electrode where oxidation occurs, and the cathode is the negative electrode where reduction occurs in an electrolytic cell.

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4.5 g of Al (at. mass 27 amu) is deposited at cathode from

A{l^{3 + }}

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{H_2}

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{H^ + }

ions in solution by the same quantity of charge will be : The correct order of molar conductivity at infinite dilution of

\mathrm{LiCl},{\rm{NaCl {\kern 1pt}{\kern 1pt}and {\kern 1pt}{\kern 1pt}KCl}}

is A solution of copper sulphate

\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

\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?