A galvanic cell employs the reaction Fe2+(aq) + Cu(s) Fe(s) + Cu2+(aq) and KNO3

Question

A galvanic cell employs the reaction Fe2+(aq) + Cu(s) Fe(s) + Cu2+(aq) and KNO3 is the salt used in the salt bridge. During the course of the reaction A galvanic cell employs the reaction Fe2+(aq) + Cu(s) Fe(s) + Cu2+(aq) and KNO3 is the salt used in the salt bridge. During the course of the reaction

i)KNO3 leaves the salt bridge and enters the cathode compartment.

ii)KNO3 leaves the salt bridge and enters the anode compartment.

iii)K+ leaves the salt bridge and enters the anode compartment.

iv)K+ leaves the salt bridge and enters the cathode compartment.

Explanation / Answer

As there is reduction process is taking place at the cathode ,it means that the metal is reduced to its zero oxidation state and there will be net negative charge build-up in that compartment so,

K+ leaves the salt bridge and enters the cathode compartment.

to maintain electroneutrality.

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