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Representation of Cell

Why a mercury...

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Why a mercury cell gives cons†an t volatage throughout

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Q. The voltage of mercury cell remains constant for long period of time because

Q. Mercury cell gives a constant potential.

H_{2} + O_{2}

fuel cell gives a constant voltage throughout its life. Reason: In this fuel cell,

H_{2}

O H^{-}

ions, yet the overall concentration of

O H^{-}

ions does not change.

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

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.

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