\( \mathrm{Zn} \) तथा \( \mathrm{Co} \) के मानक ऑक्सीकरण विभव क्रमशः \( 0.76 \) वोल्ट तथा \( 0.2...

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\( \mathrm{Zn} \) तथा \( \mathrm{Co} \) के मानक ऑक्सीकरण विभव क्रमशः \( 0.76 \) वोल्ट तथा \( 0.28 \) वोल्ट हैं। इसके आधार पर निम्नलिखित सेल का \( \mathrm{emf} \) ज्ञात करो।
\[
\mathrm{Zn}_{(s)}+\mathrm{Co}^{2+} \rightleftharpoons \mathrm{Co}_{(s)}+\mathrm{Zn}^{2+}
\]
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