Q.

A button cell used in watches function as following.Zns+Ag2Os+H2Ol⇌2Ags+Znaq2++2OHaq−If half cell potentials areZnaq2++2e−→Zns;E0=−0.76V Ag2Os+H2Ol+2e−→2Ags+2OHaq−,E0=0.34VThe cell potential will be

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Detailed Solution

Ecell0=EO.P0+ER.P0=0.76+0.34=1.10V
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Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
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A button cell used in watches function as following.Zns+Ag2Os+H2Ol⇌2Ags+Znaq2++2OHaq−If half cell potentials areZnaq2++2e−→Zns;E0=−0.76V Ag2Os+H2Ol+2e−→2Ags+2OHaq−,E0=0.34VThe cell potential will be