an elementary study of the migrate of ions with reference to the factor influencing selective discharge of ions reference should be made to the activity series as indicating the tendency of metal eg na mg Fe cu to form ions
a molten lead bromide
b acidified water with platinum electrodes
c aqueous copper 2 sulphate with copper electrode electron transfer at electrode
Answers
An elementary study of the migration of ions, with reference to the factors influencing selective discharge of ions (reference should be made to the activity series as indicating the tendency of metals, e.g. Na, Mg, Fe, Cu, to form ions) illustrated by the electrolysis of : Molten lead bromide.
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Correct option is D all of the Above
When two or more ions of the same charge are present in a solution of an electrolyte, under identical conditions, and are competing for discharge at the same electrode, one of them gets preferentially discharged. This is known as selective discharge of ions.
Selective discharge of ions depends on three factors :
(a) The relative position of ions in the electrochemical (activity) series.
(b) The relative concentration of ions.
(c) The nature of the electrodes.
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