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Electrolytic Refining

how does merc...

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how does mercury cell becomes dead if its electrolyte is not being used up in any reaction

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Q. Assertion :The voltage of mercury cell remains constant for its life time. Reason: Overall cell reaction does not involve any ion.

Q. Write anode and cathode reactions that occur in dry cell. How does a dry cell differ from a mercury cell?

Q. Assertion :The voltage of mercury cell remains constant for longer period of time. Reason: It is because net cell reaction does not involve ions.

Q. Assertion :The voltage of mercury cell remains constant for long period of time. Reason: It is because net cell reaction does not involve active species.

Q. Assertion :Pure water, a non-electrolyte becomes an electrolyte on addition of dil.

H_{2} S O_{4}

. Reason: In the presence of

H^{+}

S O_{4}^{- 2}

H_{2} S O_{4}

), water becomes capable of dissociation. Sulphuric acid does not take part in the reaction but promotes the reaction or increases the rate of the reaction.

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