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An aqueous solution containing each of , , , is being electrolyzed by using inert electrodes. The value of standard potentials are
With increasing voltage, the sequence of deposition of metals on the cathode will be
(a)
(b)
(c)
(d)

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Important Questions on Electrochemistry
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A current of flows for through an electrolytic cell containing a molten salt of metal . This results in the decomposition of of metal at the cathode. The oxidation state of in the molten salt is:

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(Assume of electrons and molecular weight of as )

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